Home / 83,147.21-124,641.91-26,947.83

Finding the Fourth Proportional to 83,147.21, 124,641.91 and 26,947.83

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Solution

The fourth proportional to 83,147.21, 124,641.91 and 26,947.83 is: 40,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,147.21 : 124,641.91 = 26,947.83 : x
  2. Step 2: Convert to fraction form
    83,147.21/124,641.91 = 26,947.83/x
  3. Step 3: Cross multiply
    83,147.21x = 124,641.91 × 26,947.83
  4. Step 4: Simplify right side
    83,147.21x = 3,358,829,076.30
  5. Step 5: Solve for x
    x = 3,358,829,076.30/83,147.21
  6. Step 6: Final answer
    x = 40,396.17

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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.