Home / 61,255.26-84,527.46-34,401.78

Finding the Fourth Proportional to 61,255.26, 84,527.46 and 34,401.78

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Solution

The fourth proportional to 61,255.26, 84,527.46 and 34,401.78 is: 47,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.26 : 84,527.46 = 34,401.78 : x
  2. Step 2: Convert to fraction form
    61,255.26/84,527.46 = 34,401.78/x
  3. Step 3: Cross multiply
    61,255.26x = 84,527.46 × 34,401.78
  4. Step 4: Simplify right side
    61,255.26x = 2,907,895,082.88
  5. Step 5: Solve for x
    x = 2,907,895,082.88/61,255.26
  6. Step 6: Final answer
    x = 47,471.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.