Home / 87,529.28-131,299.32-59,437.40

Finding the Fourth Proportional to 87,529.28, 131,299.32 and 59,437.40

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Solution

The fourth proportional to 87,529.28, 131,299.32 and 59,437.40 is: 89,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,529.28 : 131,299.32 = 59,437.40 : x
  2. Step 2: Convert to fraction form
    87,529.28/131,299.32 = 59,437.40/x
  3. Step 3: Cross multiply
    87,529.28x = 131,299.32 × 59,437.40
  4. Step 4: Simplify right side
    87,529.28x = 7,804,090,202.57
  5. Step 5: Solve for x
    x = 7,804,090,202.57/87,529.28
  6. Step 6: Final answer
    x = 89,159.77

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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.