Home / 71,402.55-107,001.23-40,171.83

Finding the Fourth Proportional to 71,402.55, 107,001.23 and 40,171.83

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Solution

The fourth proportional to 71,402.55, 107,001.23 and 40,171.83 is: 60,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.55 : 107,001.23 = 40,171.83 : x
  2. Step 2: Convert to fraction form
    71,402.55/107,001.23 = 40,171.83/x
  3. Step 3: Cross multiply
    71,402.55x = 107,001.23 × 40,171.83
  4. Step 4: Simplify right side
    71,402.55x = 4,298,435,020.49
  5. Step 5: Solve for x
    x = 4,298,435,020.49/71,402.55
  6. Step 6: Final answer
    x = 60,200.02

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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.