Home / 88,817.38-133,320.90-38,241.43

Finding the Fourth Proportional to 88,817.38, 133,320.90 and 38,241.43

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Solution

The fourth proportional to 88,817.38, 133,320.90 and 38,241.43 is: 57,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,817.38 : 133,320.90 = 38,241.43 : x
  2. Step 2: Convert to fraction form
    88,817.38/133,320.90 = 38,241.43/x
  3. Step 3: Cross multiply
    88,817.38x = 133,320.90 × 38,241.43
  4. Step 4: Simplify right side
    88,817.38x = 5,098,381,674.99
  5. Step 5: Solve for x
    x = 5,098,381,674.99/88,817.38
  6. Step 6: Final answer
    x = 57,402.97

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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.