Home / 85,843.36-118,463.68-48,117.60

Finding the Fourth Proportional to 85,843.36, 118,463.68 and 48,117.60

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Solution

The fourth proportional to 85,843.36, 118,463.68 and 48,117.60 is: 66,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843.36 : 118,463.68 = 48,117.60 : x
  2. Step 2: Convert to fraction form
    85,843.36/118,463.68 = 48,117.60/x
  3. Step 3: Cross multiply
    85,843.36x = 118,463.68 × 48,117.60
  4. Step 4: Simplify right side
    85,843.36x = 5,700,187,968.77
  5. Step 5: Solve for x
    x = 5,700,187,968.77/85,843.36
  6. Step 6: Final answer
    x = 66,402.20

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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.