Home / 87,307.13-130,984.88-34,753.52

Finding the Fourth Proportional to 87,307.13, 130,984.88 and 34,753.52

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Solution

The fourth proportional to 87,307.13, 130,984.88 and 34,753.52 is: 52,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,307.13 : 130,984.88 = 34,753.52 : x
  2. Step 2: Convert to fraction form
    87,307.13/130,984.88 = 34,753.52/x
  3. Step 3: Cross multiply
    87,307.13x = 130,984.88 × 34,753.52
  4. Step 4: Simplify right side
    87,307.13x = 4,552,185,800.47
  5. Step 5: Solve for x
    x = 4,552,185,800.47/87,307.13
  6. Step 6: Final answer
    x = 52,139.91

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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.