Home / 87,371.52-120,573.54-49,646.04

Finding the Fourth Proportional to 87,371.52, 120,573.54 and 49,646.04

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Solution

The fourth proportional to 87,371.52, 120,573.54 and 49,646.04 is: 68,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.52 : 120,573.54 = 49,646.04 : x
  2. Step 2: Convert to fraction form
    87,371.52/120,573.54 = 49,646.04/x
  3. Step 3: Cross multiply
    87,371.52x = 120,573.54 × 49,646.04
  4. Step 4: Simplify right side
    87,371.52x = 5,985,998,789.78
  5. Step 5: Solve for x
    x = 5,985,998,789.78/87,371.52
  6. Step 6: Final answer
    x = 68,512.01

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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.