Home / 122,759.52-169,396.17-69,043.41

Finding the Fourth Proportional to 122,759.52, 169,396.17 and 69,043.41

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Solution

The fourth proportional to 122,759.52, 169,396.17 and 69,043.41 is: 95,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,759.52 : 169,396.17 = 69,043.41 : x
  2. Step 2: Convert to fraction form
    122,759.52/169,396.17 = 69,043.41/x
  3. Step 3: Cross multiply
    122,759.52x = 169,396.17 × 69,043.41
  4. Step 4: Simplify right side
    122,759.52x = 11,695,689,217.74
  5. Step 5: Solve for x
    x = 11,695,689,217.74/122,759.52
  6. Step 6: Final answer
    x = 95,273.17

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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.