Home / 71,962.46-107,868.28-40,326.14

Finding the Fourth Proportional to 71,962.46, 107,868.28 and 40,326.14

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Solution

The fourth proportional to 71,962.46, 107,868.28 and 40,326.14 is: 60,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,962.46 : 107,868.28 = 40,326.14 : x
  2. Step 2: Convert to fraction form
    71,962.46/107,868.28 = 40,326.14/x
  3. Step 3: Cross multiply
    71,962.46x = 107,868.28 × 40,326.14
  4. Step 4: Simplify right side
    71,962.46x = 4,349,910,998.55
  5. Step 5: Solve for x
    x = 4,349,910,998.55/71,962.46
  6. Step 6: Final answer
    x = 60,446.95

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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.