Home / 91,750.13-137,625.41-25,191.17

Finding the Fourth Proportional to 91,750.13, 137,625.41 and 25,191.17

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Solution

The fourth proportional to 91,750.13, 137,625.41 and 25,191.17 is: 37,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.13 : 137,625.41 = 25,191.17 : x
  2. Step 2: Convert to fraction form
    91,750.13/137,625.41 = 25,191.17/x
  3. Step 3: Cross multiply
    91,750.13x = 137,625.41 × 25,191.17
  4. Step 4: Simplify right side
    91,750.13x = 3,466,945,099.63
  5. Step 5: Solve for x
    x = 3,466,945,099.63/91,750.13
  6. Step 6: Final answer
    x = 37,786.81

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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.