Home / 57,727.40-86,591.10-49,854.20

Finding the Fourth Proportional to 57,727.40, 86,591.10 and 49,854.20

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Solution

The fourth proportional to 57,727.40, 86,591.10 and 49,854.20 is: 74,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,727.40 : 86,591.10 = 49,854.20 : x
  2. Step 2: Convert to fraction form
    57,727.40/86,591.10 = 49,854.20/x
  3. Step 3: Cross multiply
    57,727.40x = 86,591.10 × 49,854.20
  4. Step 4: Simplify right side
    57,727.40x = 4,316,930,017.62
  5. Step 5: Solve for x
    x = 4,316,930,017.62/57,727.40
  6. Step 6: Final answer
    x = 74,781.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.