Home / 68,625.46-102,971.01-38,663.56

Finding the Fourth Proportional to 68,625.46, 102,971.01 and 38,663.56

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Solution

The fourth proportional to 68,625.46, 102,971.01 and 38,663.56 is: 58,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.46 : 102,971.01 = 38,663.56 : x
  2. Step 2: Convert to fraction form
    68,625.46/102,971.01 = 38,663.56/x
  3. Step 3: Cross multiply
    68,625.46x = 102,971.01 × 38,663.56
  4. Step 4: Simplify right side
    68,625.46x = 3,981,225,823.40
  5. Step 5: Solve for x
    x = 3,981,225,823.40/68,625.46
  6. Step 6: Final answer
    x = 58,013.83

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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.