Home / 122,724.87-169,361.33-69,009.41

Finding the Fourth Proportional to 122,724.87, 169,361.33 and 69,009.41

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Solution

The fourth proportional to 122,724.87, 169,361.33 and 69,009.41 is: 95,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724.87 : 169,361.33 = 69,009.41 : x
  2. Step 2: Convert to fraction form
    122,724.87/169,361.33 = 69,009.41/x
  3. Step 3: Cross multiply
    122,724.87x = 169,361.33 × 69,009.41
  4. Step 4: Simplify right side
    122,724.87x = 11,687,525,115.07
  5. Step 5: Solve for x
    x = 11,687,525,115.07/122,724.87
  6. Step 6: Final answer
    x = 95,233.55

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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.