Home / 87,464.28-120,701.21-49,224.59

Finding the Fourth Proportional to 87,464.28, 120,701.21 and 49,224.59

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Solution

The fourth proportional to 87,464.28, 120,701.21 and 49,224.59 is: 67,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,464.28 : 120,701.21 = 49,224.59 : x
  2. Step 2: Convert to fraction form
    87,464.28/120,701.21 = 49,224.59/x
  3. Step 3: Cross multiply
    87,464.28x = 120,701.21 × 49,224.59
  4. Step 4: Simplify right side
    87,464.28x = 5,941,467,253.61
  5. Step 5: Solve for x
    x = 5,941,467,253.61/87,464.28
  6. Step 6: Final answer
    x = 67,930.21

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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.