Home / 74,514.06-111,778.38-27,142.02

Finding the Fourth Proportional to 74,514.06, 111,778.38 and 27,142.02

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Solution

The fourth proportional to 74,514.06, 111,778.38 and 27,142.02 is: 40,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.06 : 111,778.38 = 27,142.02 : x
  2. Step 2: Convert to fraction form
    74,514.06/111,778.38 = 27,142.02/x
  3. Step 3: Cross multiply
    74,514.06x = 111,778.38 × 27,142.02
  4. Step 4: Simplify right side
    74,514.06x = 3,033,891,025.53
  5. Step 5: Solve for x
    x = 3,033,891,025.53/74,514.06
  6. Step 6: Final answer
    x = 40,715.69

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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.