Home / 57,839.78-86,781.26-22,803.86

Finding the Fourth Proportional to 57,839.78, 86,781.26 and 22,803.86

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Solution

The fourth proportional to 57,839.78, 86,781.26 and 22,803.86 is: 34,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.78 : 86,781.26 = 22,803.86 : x
  2. Step 2: Convert to fraction form
    57,839.78/86,781.26 = 22,803.86/x
  3. Step 3: Cross multiply
    57,839.78x = 86,781.26 × 22,803.86
  4. Step 4: Simplify right side
    57,839.78x = 1,978,947,326.77
  5. Step 5: Solve for x
    x = 1,978,947,326.77/57,839.78
  6. Step 6: Final answer
    x = 34,214.30

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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.