Home / 87,505.77-120,760.07-49,266.58

Finding the Fourth Proportional to 87,505.77, 120,760.07 and 49,266.58

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Solution

The fourth proportional to 87,505.77, 120,760.07 and 49,266.58 is: 67,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505.77 : 120,760.07 = 49,266.58 : x
  2. Step 2: Convert to fraction form
    87,505.77/120,760.07 = 49,266.58/x
  3. Step 3: Cross multiply
    87,505.77x = 120,760.07 × 49,266.58
  4. Step 4: Simplify right side
    87,505.77x = 5,949,435,327.65
  5. Step 5: Solve for x
    x = 5,949,435,327.65/87,505.77
  6. Step 6: Final answer
    x = 67,989.06

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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.