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Finding the Fourth Proportional to 91,487.68, 137,217.39 and 24,933.17

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Solution

The fourth proportional to 91,487.68, 137,217.39 and 24,933.17 is: 37,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,487.68 : 137,217.39 = 24,933.17 : x
  2. Step 2: Convert to fraction form
    91,487.68/137,217.39 = 24,933.17/x
  3. Step 3: Cross multiply
    91,487.68x = 137,217.39 × 24,933.17
  4. Step 4: Simplify right side
    91,487.68x = 3,421,264,129.77
  5. Step 5: Solve for x
    x = 3,421,264,129.77/91,487.68
  6. Step 6: Final answer
    x = 37,395.90

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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.