Home / 74,781.09-112,147.37-24,847.78

Finding the Fourth Proportional to 74,781.09, 112,147.37 and 24,847.78

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Solution

The fourth proportional to 74,781.09, 112,147.37 and 24,847.78 is: 37,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.09 : 112,147.37 = 24,847.78 : x
  2. Step 2: Convert to fraction form
    74,781.09/112,147.37 = 24,847.78/x
  3. Step 3: Cross multiply
    74,781.09x = 112,147.37 × 24,847.78
  4. Step 4: Simplify right side
    74,781.09x = 2,786,613,177.34
  5. Step 5: Solve for x
    x = 2,786,613,177.34/74,781.09
  6. Step 6: Final answer
    x = 37,263.61

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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.