Home / 83,437.01-125,171.85-36,689.75

Finding the Fourth Proportional to 83,437.01, 125,171.85 and 36,689.75

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Solution

The fourth proportional to 83,437.01, 125,171.85 and 36,689.75 is: 55,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.01 : 125,171.85 = 36,689.75 : x
  2. Step 2: Convert to fraction form
    83,437.01/125,171.85 = 36,689.75/x
  3. Step 3: Cross multiply
    83,437.01x = 125,171.85 × 36,689.75
  4. Step 4: Simplify right side
    83,437.01x = 4,592,523,883.54
  5. Step 5: Solve for x
    x = 4,592,523,883.54/83,437.01
  6. Step 6: Final answer
    x = 55,041.81

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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.