Home / 83,307.13-124,947.86-27,147.10

Finding the Fourth Proportional to 83,307.13, 124,947.86 and 27,147.10

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Solution

The fourth proportional to 83,307.13, 124,947.86 and 27,147.10 is: 40,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,307.13 : 124,947.86 = 27,147.10 : x
  2. Step 2: Convert to fraction form
    83,307.13/124,947.86 = 27,147.10/x
  3. Step 3: Cross multiply
    83,307.13x = 124,947.86 × 27,147.10
  4. Step 4: Simplify right side
    83,307.13x = 3,391,971,289.73
  5. Step 5: Solve for x
    x = 3,391,971,289.73/83,307.13
  6. Step 6: Final answer
    x = 40,716.46

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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.