Home / 87,551.17-131,444.81-56,022.78

Finding the Fourth Proportional to 87,551.17, 131,444.81 and 56,022.78

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Solution

The fourth proportional to 87,551.17, 131,444.81 and 56,022.78 is: 84,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.17 : 131,444.81 = 56,022.78 : x
  2. Step 2: Convert to fraction form
    87,551.17/131,444.81 = 56,022.78/x
  3. Step 3: Cross multiply
    87,551.17x = 131,444.81 × 56,022.78
  4. Step 4: Simplify right side
    87,551.17x = 7,363,903,812.83
  5. Step 5: Solve for x
    x = 7,363,903,812.83/87,551.17
  6. Step 6: Final answer
    x = 84,109.72

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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.