Home / 89,578.18-134,337.84-39,657.25

Finding the Fourth Proportional to 89,578.18, 134,337.84 and 39,657.25

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Solution

The fourth proportional to 89,578.18, 134,337.84 and 39,657.25 is: 59,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578.18 : 134,337.84 = 39,657.25 : x
  2. Step 2: Convert to fraction form
    89,578.18/134,337.84 = 39,657.25/x
  3. Step 3: Cross multiply
    89,578.18x = 134,337.84 × 39,657.25
  4. Step 4: Simplify right side
    89,578.18x = 5,327,469,305.34
  5. Step 5: Solve for x
    x = 5,327,469,305.34/89,578.18
  6. Step 6: Final answer
    x = 59,472.85

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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.