Home / 91,378.26-126,101.16-50,542.38

Finding the Fourth Proportional to 91,378.26, 126,101.16 and 50,542.38

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Solution

The fourth proportional to 91,378.26, 126,101.16 and 50,542.38 is: 69,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,378.26 : 126,101.16 = 50,542.38 : x
  2. Step 2: Convert to fraction form
    91,378.26/126,101.16 = 50,542.38/x
  3. Step 3: Cross multiply
    91,378.26x = 126,101.16 × 50,542.38
  4. Step 4: Simplify right side
    91,378.26x = 6,373,452,747.16
  5. Step 5: Solve for x
    x = 6,373,452,747.16/91,378.26
  6. Step 6: Final answer
    x = 69,748.02

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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.