Home / 68,947.35-95,136.97-38,726.88

Finding the Fourth Proportional to 68,947.35, 95,136.97 and 38,726.88

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Solution

The fourth proportional to 68,947.35, 95,136.97 and 38,726.88 is: 53,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.35 : 95,136.97 = 38,726.88 : x
  2. Step 2: Convert to fraction form
    68,947.35/95,136.97 = 38,726.88/x
  3. Step 3: Cross multiply
    68,947.35x = 95,136.97 × 38,726.88
  4. Step 4: Simplify right side
    68,947.35x = 3,684,357,923.94
  5. Step 5: Solve for x
    x = 3,684,357,923.94/68,947.35
  6. Step 6: Final answer
    x = 53,437.27

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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.