Home / 87,032.68-120,101.65-49,306.93

Finding the Fourth Proportional to 87,032.68, 120,101.65 and 49,306.93

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Solution

The fourth proportional to 87,032.68, 120,101.65 and 49,306.93 is: 68,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.68 : 120,101.65 = 49,306.93 : x
  2. Step 2: Convert to fraction form
    87,032.68/120,101.65 = 49,306.93/x
  3. Step 3: Cross multiply
    87,032.68x = 120,101.65 × 49,306.93
  4. Step 4: Simplify right side
    87,032.68x = 5,921,843,225.91
  5. Step 5: Solve for x
    x = 5,921,843,225.91/87,032.68
  6. Step 6: Final answer
    x = 68,041.61

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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.