Home / 87,001.88-120,071.02-48,767.92

Finding the Fourth Proportional to 87,001.88, 120,071.02 and 48,767.92

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Solution

The fourth proportional to 87,001.88, 120,071.02 and 48,767.92 is: 67,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.88 : 120,071.02 = 48,767.92 : x
  2. Step 2: Convert to fraction form
    87,001.88/120,071.02 = 48,767.92/x
  3. Step 3: Cross multiply
    87,001.88x = 120,071.02 × 48,767.92
  4. Step 4: Simplify right side
    87,001.88x = 5,855,613,897.68
  5. Step 5: Solve for x
    x = 5,855,613,897.68/87,001.88
  6. Step 6: Final answer
    x = 67,304.45

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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.