Home / 74,516.06-111,781.38-27,144.02

Finding the Fourth Proportional to 74,516.06, 111,781.38 and 27,144.02

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Solution

The fourth proportional to 74,516.06, 111,781.38 and 27,144.02 is: 40,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,516.06 : 111,781.38 = 27,144.02 : x
  2. Step 2: Convert to fraction form
    74,516.06/111,781.38 = 27,144.02/x
  3. Step 3: Cross multiply
    74,516.06x = 111,781.38 × 27,144.02
  4. Step 4: Simplify right side
    74,516.06x = 3,034,196,014.35
  5. Step 5: Solve for x
    x = 3,034,196,014.35/74,516.06
  6. Step 6: Final answer
    x = 40,718.69

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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.