Home / 100,932.35-139,279.97-60,622.16

Finding the Fourth Proportional to 100,932.35, 139,279.97 and 60,622.16

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Solution

The fourth proportional to 100,932.35, 139,279.97 and 60,622.16 is: 83,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932.35 : 139,279.97 = 60,622.16 : x
  2. Step 2: Convert to fraction form
    100,932.35/139,279.97 = 60,622.16/x
  3. Step 3: Cross multiply
    100,932.35x = 139,279.97 × 60,622.16
  4. Step 4: Simplify right side
    100,932.35x = 8,443,452,081.29
  5. Step 5: Solve for x
    x = 8,443,452,081.29/100,932.35
  6. Step 6: Final answer
    x = 83,654.57

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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.