Home / 87,444.52-131,152.80-31,274.14

Finding the Fourth Proportional to 87,444.52, 131,152.80 and 31,274.14

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Solution

The fourth proportional to 87,444.52, 131,152.80 and 31,274.14 is: 46,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444.52 : 131,152.80 = 31,274.14 : x
  2. Step 2: Convert to fraction form
    87,444.52/131,152.80 = 31,274.14/x
  3. Step 3: Cross multiply
    87,444.52x = 131,152.80 × 31,274.14
  4. Step 4: Simplify right side
    87,444.52x = 4,101,691,028.59
  5. Step 5: Solve for x
    x = 4,101,691,028.59/87,444.52
  6. Step 6: Final answer
    x = 46,906.21

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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.