Home / 87,551.28-131,332.32-59,459.40

Finding the Fourth Proportional to 87,551.28, 131,332.32 and 59,459.40

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Solution

The fourth proportional to 87,551.28, 131,332.32 and 59,459.40 is: 89,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.28 : 131,332.32 = 59,459.40 : x
  2. Step 2: Convert to fraction form
    87,551.28/131,332.32 = 59,459.40/x
  3. Step 3: Cross multiply
    87,551.28x = 131,332.32 × 59,459.40
  4. Step 4: Simplify right side
    87,551.28x = 7,808,940,947.81
  5. Step 5: Solve for x
    x = 7,808,940,947.81/87,551.28
  6. Step 6: Final answer
    x = 89,192.77

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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.