Home / 85,983.96-118,668.78-48,258.18

Finding the Fourth Proportional to 85,983.96, 118,668.78 and 48,258.18

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Solution

The fourth proportional to 85,983.96, 118,668.78 and 48,258.18 is: 66,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,983.96 : 118,668.78 = 48,258.18 : x
  2. Step 2: Convert to fraction form
    85,983.96/118,668.78 = 48,258.18/x
  3. Step 3: Cross multiply
    85,983.96x = 118,668.78 × 48,258.18
  4. Step 4: Simplify right side
    85,983.96x = 5,726,739,345.62
  5. Step 5: Solve for x
    x = 5,726,739,345.62/85,983.96
  6. Step 6: Final answer
    x = 66,602.41

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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.