Home / 122,965.89-169,693.50-69,251.82

Finding the Fourth Proportional to 122,965.89, 169,693.50 and 69,251.82

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Solution

The fourth proportional to 122,965.89, 169,693.50 and 69,251.82 is: 95,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,965.89 : 169,693.50 = 69,251.82 : x
  2. Step 2: Convert to fraction form
    122,965.89/169,693.50 = 69,251.82/x
  3. Step 3: Cross multiply
    122,965.89x = 169,693.50 × 69,251.82
  4. Step 4: Simplify right side
    122,965.89x = 11,751,582,868.70
  5. Step 5: Solve for x
    x = 11,751,582,868.70/122,965.89
  6. Step 6: Final answer
    x = 95,567.83

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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.