Home / 91,868.52-126,785.88-51,584.97

Finding the Fourth Proportional to 91,868.52, 126,785.88 and 51,584.97

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Solution

The fourth proportional to 91,868.52, 126,785.88 and 51,584.97 is: 71,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868.52 : 126,785.88 = 51,584.97 : x
  2. Step 2: Convert to fraction form
    91,868.52/126,785.88 = 51,584.97/x
  3. Step 3: Cross multiply
    91,868.52x = 126,785.88 × 51,584.97
  4. Step 4: Simplify right side
    91,868.52x = 6,540,245,816.22
  5. Step 5: Solve for x
    x = 6,540,245,816.22/91,868.52
  6. Step 6: Final answer
    x = 71,191.37

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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.