Home / 91,339.11-125,966.34-57,350.79

Finding the Fourth Proportional to 91,339.11, 125,966.34 and 57,350.79

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Solution

The fourth proportional to 91,339.11, 125,966.34 and 57,350.79 is: 79,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,339.11 : 125,966.34 = 57,350.79 : x
  2. Step 2: Convert to fraction form
    91,339.11/125,966.34 = 57,350.79/x
  3. Step 3: Cross multiply
    91,339.11x = 125,966.34 × 57,350.79
  4. Step 4: Simplify right side
    91,339.11x = 7,224,269,112.41
  5. Step 5: Solve for x
    x = 7,224,269,112.41/91,339.11
  6. Step 6: Final answer
    x = 79,092.83

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1.5x scale

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.