Home / 83,113.70-124,634.10-33,177.20

Finding the Fourth Proportional to 83,113.70, 124,634.10 and 33,177.20

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Solution

The fourth proportional to 83,113.70, 124,634.10 and 33,177.20 is: 49,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,113.70 : 124,634.10 = 33,177.20 : x
  2. Step 2: Convert to fraction form
    83,113.70/124,634.10 = 33,177.20/x
  3. Step 3: Cross multiply
    83,113.70x = 124,634.10 × 33,177.20
  4. Step 4: Simplify right side
    83,113.70x = 4,135,010,462.52
  5. Step 5: Solve for x
    x = 4,135,010,462.52/83,113.70
  6. Step 6: Final answer
    x = 49,751.25

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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.