Home / 85,062.68-127,613.04-25,902.96

Finding the Fourth Proportional to 85,062.68, 127,613.04 and 25,902.96

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Solution

The fourth proportional to 85,062.68, 127,613.04 and 25,902.96 is: 38,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.68 : 127,613.04 = 25,902.96 : x
  2. Step 2: Convert to fraction form
    85,062.68/127,613.04 = 25,902.96/x
  3. Step 3: Cross multiply
    85,062.68x = 127,613.04 × 25,902.96
  4. Step 4: Simplify right side
    85,062.68x = 3,305,556,190.20
  5. Step 5: Solve for x
    x = 3,305,556,190.20/85,062.68
  6. Step 6: Final answer
    x = 38,860.24

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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.