Home / 87,654.56-131,398.58-28,448.82

Finding the Fourth Proportional to 87,654.56, 131,398.58 and 28,448.82

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Solution

The fourth proportional to 87,654.56, 131,398.58 and 28,448.82 is: 42,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,654.56 : 131,398.58 = 28,448.82 : x
  2. Step 2: Convert to fraction form
    87,654.56/131,398.58 = 28,448.82/x
  3. Step 3: Cross multiply
    87,654.56x = 131,398.58 × 28,448.82
  4. Step 4: Simplify right side
    87,654.56x = 3,738,134,621.80
  5. Step 5: Solve for x
    x = 3,738,134,621.80/87,654.56
  6. Step 6: Final answer
    x = 42,646.21

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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.