Home / 83,144.07-124,629.03-38,734.20

Finding the Fourth Proportional to 83,144.07, 124,629.03 and 38,734.20

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Solution

The fourth proportional to 83,144.07, 124,629.03 and 38,734.20 is: 58,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,144.07 : 124,629.03 = 38,734.20 : x
  2. Step 2: Convert to fraction form
    83,144.07/124,629.03 = 38,734.20/x
  3. Step 3: Cross multiply
    83,144.07x = 124,629.03 × 38,734.20
  4. Step 4: Simplify right side
    83,144.07x = 4,827,405,773.83
  5. Step 5: Solve for x
    x = 4,827,405,773.83/83,144.07
  6. Step 6: Final answer
    x = 58,060.73

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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.