Home / 80,381.28-110,930.60-44,570.53

Finding the Fourth Proportional to 80,381.28, 110,930.60 and 44,570.53

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Solution

The fourth proportional to 80,381.28, 110,930.60 and 44,570.53 is: 61,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,381.28 : 110,930.60 = 44,570.53 : x
  2. Step 2: Convert to fraction form
    80,381.28/110,930.60 = 44,570.53/x
  3. Step 3: Cross multiply
    80,381.28x = 110,930.60 × 44,570.53
  4. Step 4: Simplify right side
    80,381.28x = 4,944,235,635.22
  5. Step 5: Solve for x
    x = 4,944,235,635.22/80,381.28
  6. Step 6: Final answer
    x = 61,509.79

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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.