Home / 85,968.79-118,645.46-48,243.19

Finding the Fourth Proportional to 85,968.79, 118,645.46 and 48,243.19

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Solution

The fourth proportional to 85,968.79, 118,645.46 and 48,243.19 is: 66,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,968.79 : 118,645.46 = 48,243.19 : x
  2. Step 2: Convert to fraction form
    85,968.79/118,645.46 = 48,243.19/x
  3. Step 3: Cross multiply
    85,968.79x = 118,645.46 × 48,243.19
  4. Step 4: Simplify right side
    85,968.79x = 5,723,835,228.20
  5. Step 5: Solve for x
    x = 5,723,835,228.20/85,968.79
  6. Step 6: Final answer
    x = 66,580.39

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Half scale
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Double scale
Find fourth proportional to 85,969.79, 118,646.84 and 48,244.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.