Home / 68,377.88-94,366.20-38,169.08

Finding the Fourth Proportional to 68,377.88, 94,366.20 and 38,169.08

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Solution

The fourth proportional to 68,377.88, 94,366.20 and 38,169.08 is: 52,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.88 : 94,366.20 = 38,169.08 : x
  2. Step 2: Convert to fraction form
    68,377.88/94,366.20 = 38,169.08/x
  3. Step 3: Cross multiply
    68,377.88x = 94,366.20 × 38,169.08
  4. Step 4: Simplify right side
    68,377.88x = 3,601,870,565.27
  5. Step 5: Solve for x
    x = 3,601,870,565.27/68,377.88
  6. Step 6: Final answer
    x = 52,675.97

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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.