Home / 91,552.08-137,087.82-73,687.80

Finding the Fourth Proportional to 91,552.08, 137,087.82 and 73,687.80

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Solution

The fourth proportional to 91,552.08, 137,087.82 and 73,687.80 is: 110,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.08 : 137,087.82 = 73,687.80 : x
  2. Step 2: Convert to fraction form
    91,552.08/137,087.82 = 73,687.80/x
  3. Step 3: Cross multiply
    91,552.08x = 137,087.82 × 73,687.80
  4. Step 4: Simplify right side
    91,552.08x = 10,101,699,862.60
  5. Step 5: Solve for x
    x = 10,101,699,862.60/91,552.08
  6. Step 6: Final answer
    x = 110,338.29

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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.