Home / 83,731.20-125,742.60-44,365.20

Finding the Fourth Proportional to 83,731.20, 125,742.60 and 44,365.20

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Solution

The fourth proportional to 83,731.20, 125,742.60 and 44,365.20 is: 66,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.20 : 125,742.60 = 44,365.20 : x
  2. Step 2: Convert to fraction form
    83,731.20/125,742.60 = 44,365.20/x
  3. Step 3: Cross multiply
    83,731.20x = 125,742.60 × 44,365.20
  4. Step 4: Simplify right side
    83,731.20x = 5,578,595,597.52
  5. Step 5: Solve for x
    x = 5,578,595,597.52/83,731.20
  6. Step 6: Final answer
    x = 66,625.05

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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.