Home / 83,230.86-124,787.96-30,633.52

Finding the Fourth Proportional to 83,230.86, 124,787.96 and 30,633.52

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Solution

The fourth proportional to 83,230.86, 124,787.96 and 30,633.52 is: 45,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,230.86 : 124,787.96 = 30,633.52 : x
  2. Step 2: Convert to fraction form
    83,230.86/124,787.96 = 30,633.52/x
  3. Step 3: Cross multiply
    83,230.86x = 124,787.96 × 30,633.52
  4. Step 4: Simplify right side
    83,230.86x = 3,822,694,468.42
  5. Step 5: Solve for x
    x = 3,822,694,468.42/83,230.86
  6. Step 6: Final answer
    x = 45,928.81

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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.