Home / 92,939.08-139,387.72-26,377.80

Finding the Fourth Proportional to 92,939.08, 139,387.72 and 26,377.80

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Solution

The fourth proportional to 92,939.08, 139,387.72 and 26,377.80 is: 39,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.08 : 139,387.72 = 26,377.80 : x
  2. Step 2: Convert to fraction form
    92,939.08/139,387.72 = 26,377.80/x
  3. Step 3: Cross multiply
    92,939.08x = 139,387.72 × 26,377.80
  4. Step 4: Simplify right side
    92,939.08x = 3,676,741,400.62
  5. Step 5: Solve for x
    x = 3,676,741,400.62/92,939.08
  6. Step 6: Final answer
    x = 39,560.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.