Home / 91,257.61-125,934.17-50,971.96

Finding the Fourth Proportional to 91,257.61, 125,934.17 and 50,971.96

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Solution

The fourth proportional to 91,257.61, 125,934.17 and 50,971.96 is: 70,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.61 : 125,934.17 = 50,971.96 : x
  2. Step 2: Convert to fraction form
    91,257.61/125,934.17 = 50,971.96/x
  3. Step 3: Cross multiply
    91,257.61x = 125,934.17 × 50,971.96
  4. Step 4: Simplify right side
    91,257.61x = 6,419,111,475.87
  5. Step 5: Solve for x
    x = 6,419,111,475.87/91,257.61
  6. Step 6: Final answer
    x = 70,340.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.