Home / 87,395.52-120,606.66-49,670.04

Finding the Fourth Proportional to 87,395.52, 120,606.66 and 49,670.04

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Solution

The fourth proportional to 87,395.52, 120,606.66 and 49,670.04 is: 68,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,395.52 : 120,606.66 = 49,670.04 : x
  2. Step 2: Convert to fraction form
    87,395.52/120,606.66 = 49,670.04/x
  3. Step 3: Cross multiply
    87,395.52x = 120,606.66 × 49,670.04
  4. Step 4: Simplify right side
    87,395.52x = 5,990,537,626.47
  5. Step 5: Solve for x
    x = 5,990,537,626.47/87,395.52
  6. Step 6: Final answer
    x = 68,545.13

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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.