Home / 99,517.06-137,334.42-54,195.24

Finding the Fourth Proportional to 99,517.06, 137,334.42 and 54,195.24

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Solution

The fourth proportional to 99,517.06, 137,334.42 and 54,195.24 is: 74,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,517.06 : 137,334.42 = 54,195.24 : x
  2. Step 2: Convert to fraction form
    99,517.06/137,334.42 = 54,195.24/x
  3. Step 3: Cross multiply
    99,517.06x = 137,334.42 × 54,195.24
  4. Step 4: Simplify right side
    99,517.06x = 7,442,871,852.16
  5. Step 5: Solve for x
    x = 7,442,871,852.16/99,517.06
  6. Step 6: Final answer
    x = 74,789.91

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1.5x scale

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.