Home / 87,497.52-131,232.24-31,327.20

Finding the Fourth Proportional to 87,497.52, 131,232.24 and 31,327.20

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Solution

The fourth proportional to 87,497.52, 131,232.24 and 31,327.20 is: 46,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,497.52 : 131,232.24 = 31,327.20 : x
  2. Step 2: Convert to fraction form
    87,497.52/131,232.24 = 31,327.20/x
  3. Step 3: Cross multiply
    87,497.52x = 131,232.24 × 31,327.20
  4. Step 4: Simplify right side
    87,497.52x = 4,111,138,628.93
  5. Step 5: Solve for x
    x = 4,111,138,628.93/87,497.52
  6. Step 6: Final answer
    x = 46,985.77

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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.