Home / 83,135.90-124,753.02-30,582.26

Finding the Fourth Proportional to 83,135.90, 124,753.02 and 30,582.26

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Solution

The fourth proportional to 83,135.90, 124,753.02 and 30,582.26 is: 45,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.90 : 124,753.02 = 30,582.26 : x
  2. Step 2: Convert to fraction form
    83,135.90/124,753.02 = 30,582.26/x
  3. Step 3: Cross multiply
    83,135.90x = 124,753.02 × 30,582.26
  4. Step 4: Simplify right side
    83,135.90x = 3,815,229,293.43
  5. Step 5: Solve for x
    x = 3,815,229,293.43/83,135.90
  6. Step 6: Final answer
    x = 45,891.48

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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.