Home / 83,226.86-124,781.96-30,629.52

Finding the Fourth Proportional to 83,226.86, 124,781.96 and 30,629.52

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Solution

The fourth proportional to 83,226.86, 124,781.96 and 30,629.52 is: 45,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,226.86 : 124,781.96 = 30,629.52 : x
  2. Step 2: Convert to fraction form
    83,226.86/124,781.96 = 30,629.52/x
  3. Step 3: Cross multiply
    83,226.86x = 124,781.96 × 30,629.52
  4. Step 4: Simplify right side
    83,226.86x = 3,822,011,539.46
  5. Step 5: Solve for x
    x = 3,822,011,539.46/83,226.86
  6. Step 6: Final answer
    x = 45,922.81

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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.