Home / 57,864.60-86,651.10-38,035.80

Finding the Fourth Proportional to 57,864.60, 86,651.10 and 38,035.80

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Solution

The fourth proportional to 57,864.60, 86,651.10 and 38,035.80 is: 56,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.60 : 86,651.10 = 38,035.80 : x
  2. Step 2: Convert to fraction form
    57,864.60/86,651.10 = 38,035.80/x
  3. Step 3: Cross multiply
    57,864.60x = 86,651.10 × 38,035.80
  4. Step 4: Simplify right side
    57,864.60x = 3,295,843,909.38
  5. Step 5: Solve for x
    x = 3,295,843,909.38/57,864.60
  6. Step 6: Final answer
    x = 56,957.86

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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.