Home / 87,494.54-131,262.72-28,330.28

Finding the Fourth Proportional to 87,494.54, 131,262.72 and 28,330.28

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Solution

The fourth proportional to 87,494.54, 131,262.72 and 28,330.28 is: 42,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,494.54 : 131,262.72 = 28,330.28 : x
  2. Step 2: Convert to fraction form
    87,494.54/131,262.72 = 28,330.28/x
  3. Step 3: Cross multiply
    87,494.54x = 131,262.72 × 28,330.28
  4. Step 4: Simplify right side
    87,494.54x = 3,718,709,611.16
  5. Step 5: Solve for x
    x = 3,718,709,611.16/87,494.54
  6. Step 6: Final answer
    x = 42,502.19

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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.