Home / 91,761.12-137,645.64-25,199.64

Finding the Fourth Proportional to 91,761.12, 137,645.64 and 25,199.64

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Solution

The fourth proportional to 91,761.12, 137,645.64 and 25,199.64 is: 37,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.12 : 137,645.64 = 25,199.64 : x
  2. Step 2: Convert to fraction form
    91,761.12/137,645.64 = 25,199.64/x
  3. Step 3: Cross multiply
    91,761.12x = 137,645.64 × 25,199.64
  4. Step 4: Simplify right side
    91,761.12x = 3,468,620,575.57
  5. Step 5: Solve for x
    x = 3,468,620,575.57/91,761.12
  6. Step 6: Final answer
    x = 37,800.55

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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.