Home / 83,731.44-125,594.52-20,551.80

Finding the Fourth Proportional to 83,731.44, 125,594.52 and 20,551.80

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Solution

The fourth proportional to 83,731.44, 125,594.52 and 20,551.80 is: 30,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.44 : 125,594.52 = 20,551.80 : x
  2. Step 2: Convert to fraction form
    83,731.44/125,594.52 = 20,551.80/x
  3. Step 3: Cross multiply
    83,731.44x = 125,594.52 × 20,551.80
  4. Step 4: Simplify right side
    83,731.44x = 2,581,193,456.14
  5. Step 5: Solve for x
    x = 2,581,193,456.14/83,731.44
  6. Step 6: Final answer
    x = 30,827.05

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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.