Home / 73,110.78-109,666.19-26,363.65

Finding the Fourth Proportional to 73,110.78, 109,666.19 and 26,363.65

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Solution

The fourth proportional to 73,110.78, 109,666.19 and 26,363.65 is: 39,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.78 : 109,666.19 = 26,363.65 : x
  2. Step 2: Convert to fraction form
    73,110.78/109,666.19 = 26,363.65/x
  3. Step 3: Cross multiply
    73,110.78x = 109,666.19 × 26,363.65
  4. Step 4: Simplify right side
    73,110.78x = 2,891,201,049.99
  5. Step 5: Solve for x
    x = 2,891,201,049.99/73,110.78
  6. Step 6: Final answer
    x = 39,545.48

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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.