Home / 83,205.26-124,882.02-38,856.56

Finding the Fourth Proportional to 83,205.26, 124,882.02 and 38,856.56

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Solution

The fourth proportional to 83,205.26, 124,882.02 and 38,856.56 is: 58,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205.26 : 124,882.02 = 38,856.56 : x
  2. Step 2: Convert to fraction form
    83,205.26/124,882.02 = 38,856.56/x
  3. Step 3: Cross multiply
    83,205.26x = 124,882.02 × 38,856.56
  4. Step 4: Simplify right side
    83,205.26x = 4,852,485,703.05
  5. Step 5: Solve for x
    x = 4,852,485,703.05/83,205.26
  6. Step 6: Final answer
    x = 58,319.46

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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.