Home / 68,882.52-95,053.99-38,665.11

Finding the Fourth Proportional to 68,882.52, 95,053.99 and 38,665.11

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Solution

The fourth proportional to 68,882.52, 95,053.99 and 38,665.11 is: 53,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,882.52 : 95,053.99 = 38,665.11 : x
  2. Step 2: Convert to fraction form
    68,882.52/95,053.99 = 38,665.11/x
  3. Step 3: Cross multiply
    68,882.52x = 95,053.99 × 38,665.11
  4. Step 4: Simplify right side
    68,882.52x = 3,675,272,979.29
  5. Step 5: Solve for x
    x = 3,675,272,979.29/68,882.52
  6. Step 6: Final answer
    x = 53,355.67

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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.