Home / 91,755.36-137,618.32-25,179.96

Finding the Fourth Proportional to 91,755.36, 137,618.32 and 25,179.96

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Solution

The fourth proportional to 91,755.36, 137,618.32 and 25,179.96 is: 37,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.36 : 137,618.32 = 25,179.96 : x
  2. Step 2: Convert to fraction form
    91,755.36/137,618.32 = 25,179.96/x
  3. Step 3: Cross multiply
    91,755.36x = 137,618.32 × 25,179.96
  4. Step 4: Simplify right side
    91,755.36x = 3,465,223,792.87
  5. Step 5: Solve for x
    x = 3,465,223,792.87/91,755.36
  6. Step 6: Final answer
    x = 37,765.90

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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.