Home / 87,274.97-120,432.06-49,031.52

Finding the Fourth Proportional to 87,274.97, 120,432.06 and 49,031.52

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Solution

The fourth proportional to 87,274.97, 120,432.06 and 49,031.52 is: 67,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.97 : 120,432.06 = 49,031.52 : x
  2. Step 2: Convert to fraction form
    87,274.97/120,432.06 = 49,031.52/x
  3. Step 3: Cross multiply
    87,274.97x = 120,432.06 × 49,031.52
  4. Step 4: Simplify right side
    87,274.97x = 5,904,966,506.91
  5. Step 5: Solve for x
    x = 5,904,966,506.91/87,274.97
  6. Step 6: Final answer
    x = 67,659.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.