Home / 75,869.70-113,874.44-38,456.31

Finding the Fourth Proportional to 75,869.70, 113,874.44 and 38,456.31

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Solution

The fourth proportional to 75,869.70, 113,874.44 and 38,456.31 is: 57,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.70 : 113,874.44 = 38,456.31 : x
  2. Step 2: Convert to fraction form
    75,869.70/113,874.44 = 38,456.31/x
  3. Step 3: Cross multiply
    75,869.70x = 113,874.44 × 38,456.31
  4. Step 4: Simplify right side
    75,869.70x = 4,379,190,196.34
  5. Step 5: Solve for x
    x = 4,379,190,196.34/75,869.70
  6. Step 6: Final answer
    x = 57,719.88

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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.