Home / 91,257.57-125,934.12-50,971.91

Finding the Fourth Proportional to 91,257.57, 125,934.12 and 50,971.91

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Solution

The fourth proportional to 91,257.57, 125,934.12 and 50,971.91 is: 70,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.57 : 125,934.12 = 50,971.91 : x
  2. Step 2: Convert to fraction form
    91,257.57/125,934.12 = 50,971.91/x
  3. Step 3: Cross multiply
    91,257.57x = 125,934.12 × 50,971.91
  4. Step 4: Simplify right side
    91,257.57x = 6,419,102,000.90
  5. Step 5: Solve for x
    x = 6,419,102,000.90/91,257.57
  6. Step 6: Final answer
    x = 70,340.49

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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.