Home / 87,553.28-131,335.32-59,461.40

Finding the Fourth Proportional to 87,553.28, 131,335.32 and 59,461.40

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Solution

The fourth proportional to 87,553.28, 131,335.32 and 59,461.40 is: 89,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.28 : 131,335.32 = 59,461.40 : x
  2. Step 2: Convert to fraction form
    87,553.28/131,335.32 = 59,461.40/x
  3. Step 3: Cross multiply
    87,553.28x = 131,335.32 × 59,461.40
  4. Step 4: Simplify right side
    87,553.28x = 7,809,381,996.65
  5. Step 5: Solve for x
    x = 7,809,381,996.65/87,553.28
  6. Step 6: Final answer
    x = 89,195.77

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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.