Home / 87,339.88-120,532.26-49,620.52

Finding the Fourth Proportional to 87,339.88, 120,532.26 and 49,620.52

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Solution

The fourth proportional to 87,339.88, 120,532.26 and 49,620.52 is: 68,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,339.88 : 120,532.26 = 49,620.52 : x
  2. Step 2: Convert to fraction form
    87,339.88/120,532.26 = 49,620.52/x
  3. Step 3: Cross multiply
    87,339.88x = 120,532.26 × 49,620.52
  4. Step 4: Simplify right side
    87,339.88x = 5,980,873,417.98
  5. Step 5: Solve for x
    x = 5,980,873,417.98/87,339.88
  6. Step 6: Final answer
    x = 68,478.15

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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.