Home / 99,049.28-136,687.19-53,727.15

Finding the Fourth Proportional to 99,049.28, 136,687.19 and 53,727.15

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Solution

The fourth proportional to 99,049.28, 136,687.19 and 53,727.15 is: 74,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.28 : 136,687.19 = 53,727.15 : x
  2. Step 2: Convert to fraction form
    99,049.28/136,687.19 = 53,727.15/x
  3. Step 3: Cross multiply
    99,049.28x = 136,687.19 × 53,727.15
  4. Step 4: Simplify right side
    99,049.28x = 7,343,813,294.53
  5. Step 5: Solve for x
    x = 7,343,813,294.53/99,049.28
  6. Step 6: Final answer
    x = 74,143.02

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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.