Home / 87,346.26-120,534.21-49,622.58

Finding the Fourth Proportional to 87,346.26, 120,534.21 and 49,622.58

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Solution

The fourth proportional to 87,346.26, 120,534.21 and 49,622.58 is: 68,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.26 : 120,534.21 = 49,622.58 : x
  2. Step 2: Convert to fraction form
    87,346.26/120,534.21 = 49,622.58/x
  3. Step 3: Cross multiply
    87,346.26x = 120,534.21 × 49,622.58
  4. Step 4: Simplify right side
    87,346.26x = 5,981,218,478.46
  5. Step 5: Solve for x
    x = 5,981,218,478.46/87,346.26
  6. Step 6: Final answer
    x = 68,477.10

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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.