Home / 87,476.60-131,235.73-28,312.28

Finding the Fourth Proportional to 87,476.60, 131,235.73 and 28,312.28

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Solution

The fourth proportional to 87,476.60, 131,235.73 and 28,312.28 is: 42,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.60 : 131,235.73 = 28,312.28 : x
  2. Step 2: Convert to fraction form
    87,476.60/131,235.73 = 28,312.28/x
  3. Step 3: Cross multiply
    87,476.60x = 131,235.73 × 28,312.28
  4. Step 4: Simplify right side
    87,476.60x = 3,715,582,077.59
  5. Step 5: Solve for x
    x = 3,715,582,077.59/87,476.60
  6. Step 6: Final answer
    x = 42,475.15

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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.