Home / 87,296.34-120,479.24-49,055.97

Finding the Fourth Proportional to 87,296.34, 120,479.24 and 49,055.97

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Solution

The fourth proportional to 87,296.34, 120,479.24 and 49,055.97 is: 67,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296.34 : 120,479.24 = 49,055.97 : x
  2. Step 2: Convert to fraction form
    87,296.34/120,479.24 = 49,055.97/x
  3. Step 3: Cross multiply
    87,296.34x = 120,479.24 × 49,055.97
  4. Step 4: Simplify right side
    87,296.34x = 5,910,225,737.78
  5. Step 5: Solve for x
    x = 5,910,225,737.78/87,296.34
  6. Step 6: Final answer
    x = 67,703.02

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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.