Home / 82,625.86-123,946.99-26,451.85

Finding the Fourth Proportional to 82,625.86, 123,946.99 and 26,451.85

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Solution

The fourth proportional to 82,625.86, 123,946.99 and 26,451.85 is: 39,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,625.86 : 123,946.99 = 26,451.85 : x
  2. Step 2: Convert to fraction form
    82,625.86/123,946.99 = 26,451.85/x
  3. Step 3: Cross multiply
    82,625.86x = 123,946.99 × 26,451.85
  4. Step 4: Simplify right side
    82,625.86x = 3,278,627,187.43
  5. Step 5: Solve for x
    x = 3,278,627,187.43/82,625.86
  6. Step 6: Final answer
    x = 39,680.40

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1.5x scale

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.