Home / 98,049.68-147,123.12-38,884.04

Finding the Fourth Proportional to 98,049.68, 147,123.12 and 38,884.04

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Solution

The fourth proportional to 98,049.68, 147,123.12 and 38,884.04 is: 58,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,049.68 : 147,123.12 = 38,884.04 : x
  2. Step 2: Convert to fraction form
    98,049.68/147,123.12 = 38,884.04/x
  3. Step 3: Cross multiply
    98,049.68x = 147,123.12 × 38,884.04
  4. Step 4: Simplify right side
    98,049.68x = 5,720,741,283.00
  5. Step 5: Solve for x
    x = 5,720,741,283.00/98,049.68
  6. Step 6: Final answer
    x = 58,345.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.