Home / 87,475.86-120,711.74-49,237.04

Finding the Fourth Proportional to 87,475.86, 120,711.74 and 49,237.04

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Solution

The fourth proportional to 87,475.86, 120,711.74 and 49,237.04 is: 67,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.86 : 120,711.74 = 49,237.04 : x
  2. Step 2: Convert to fraction form
    87,475.86/120,711.74 = 49,237.04/x
  3. Step 3: Cross multiply
    87,475.86x = 120,711.74 × 49,237.04
  4. Step 4: Simplify right side
    87,475.86x = 5,943,488,826.44
  5. Step 5: Solve for x
    x = 5,943,488,826.44/87,475.86
  6. Step 6: Final answer
    x = 67,944.33

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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.