Home / 83,356.34-124,974.03-38,958.26

Finding the Fourth Proportional to 83,356.34, 124,974.03 and 38,958.26

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Solution

The fourth proportional to 83,356.34, 124,974.03 and 38,958.26 is: 58,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,356.34 : 124,974.03 = 38,958.26 : x
  2. Step 2: Convert to fraction form
    83,356.34/124,974.03 = 38,958.26/x
  3. Step 3: Cross multiply
    83,356.34x = 124,974.03 × 38,958.26
  4. Step 4: Simplify right side
    83,356.34x = 4,868,770,753.99
  5. Step 5: Solve for x
    x = 4,868,770,753.99/83,356.34
  6. Step 6: Final answer
    x = 58,409.12

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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.