Home / 67,278.35-100,882.48-25,123.77

Finding the Fourth Proportional to 67,278.35, 100,882.48 and 25,123.77

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Solution

The fourth proportional to 67,278.35, 100,882.48 and 25,123.77 is: 37,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,278.35 : 100,882.48 = 25,123.77 : x
  2. Step 2: Convert to fraction form
    67,278.35/100,882.48 = 25,123.77/x
  3. Step 3: Cross multiply
    67,278.35x = 100,882.48 × 25,123.77
  4. Step 4: Simplify right side
    67,278.35x = 2,534,548,224.55
  5. Step 5: Solve for x
    x = 2,534,548,224.55/67,278.35
  6. Step 6: Final answer
    x = 37,672.57

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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.