Home / 83,195.20-124,805.09-30,600.82

Finding the Fourth Proportional to 83,195.20, 124,805.09 and 30,600.82

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Solution

The fourth proportional to 83,195.20, 124,805.09 and 30,600.82 is: 45,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.20 : 124,805.09 = 30,600.82 : x
  2. Step 2: Convert to fraction form
    83,195.20/124,805.09 = 30,600.82/x
  3. Step 3: Cross multiply
    83,195.20x = 124,805.09 × 30,600.82
  4. Step 4: Simplify right side
    83,195.20x = 3,819,137,941.17
  5. Step 5: Solve for x
    x = 3,819,137,941.17/83,195.20
  6. Step 6: Final answer
    x = 45,905.75

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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.