Home / 91,702.26-126,554.31-51,428.88

Finding the Fourth Proportional to 91,702.26, 126,554.31 and 51,428.88

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Solution

The fourth proportional to 91,702.26, 126,554.31 and 51,428.88 is: 70,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.26 : 126,554.31 = 51,428.88 : x
  2. Step 2: Convert to fraction form
    91,702.26/126,554.31 = 51,428.88/x
  3. Step 3: Cross multiply
    91,702.26x = 126,554.31 × 51,428.88
  4. Step 4: Simplify right side
    91,702.26x = 6,508,546,422.47
  5. Step 5: Solve for x
    x = 6,508,546,422.47/91,702.26
  6. Step 6: Final answer
    x = 70,974.77

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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.