Home / 52,781.96-79,168.08-15,351.86

Finding the Fourth Proportional to 52,781.96, 79,168.08 and 15,351.86

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Solution

The fourth proportional to 52,781.96, 79,168.08 and 15,351.86 is: 23,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.96 : 79,168.08 = 15,351.86 : x
  2. Step 2: Convert to fraction form
    52,781.96/79,168.08 = 15,351.86/x
  3. Step 3: Cross multiply
    52,781.96x = 79,168.08 × 15,351.86
  4. Step 4: Simplify right side
    52,781.96x = 1,215,377,280.63
  5. Step 5: Solve for x
    x = 1,215,377,280.63/52,781.96
  6. Step 6: Final answer
    x = 23,026.38

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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.