Home / 91,605.85-137,175.49-60,346.33

Finding the Fourth Proportional to 91,605.85, 137,175.49 and 60,346.33

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Solution

The fourth proportional to 91,605.85, 137,175.49 and 60,346.33 is: 90,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,605.85 : 137,175.49 = 60,346.33 : x
  2. Step 2: Convert to fraction form
    91,605.85/137,175.49 = 60,346.33/x
  3. Step 3: Cross multiply
    91,605.85x = 137,175.49 × 60,346.33
  4. Step 4: Simplify right side
    91,605.85x = 8,278,037,119.95
  5. Step 5: Solve for x
    x = 8,278,037,119.95/91,605.85
  6. Step 6: Final answer
    x = 90,365.82

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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.