Home / 122,726.93-169,359.78-69,010.55

Finding the Fourth Proportional to 122,726.93, 169,359.78 and 69,010.55

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Solution

The fourth proportional to 122,726.93, 169,359.78 and 69,010.55 is: 95,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,726.93 : 169,359.78 = 69,010.55 : x
  2. Step 2: Convert to fraction form
    122,726.93/169,359.78 = 69,010.55/x
  3. Step 3: Cross multiply
    122,726.93x = 169,359.78 × 69,010.55
  4. Step 4: Simplify right side
    122,726.93x = 11,687,611,565.68
  5. Step 5: Solve for x
    x = 11,687,611,565.68/122,726.93
  6. Step 6: Final answer
    x = 95,232.66

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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.