Home / 80,780.21-111,474.19-44,969.44

Finding the Fourth Proportional to 80,780.21, 111,474.19 and 44,969.44

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Solution

The fourth proportional to 80,780.21, 111,474.19 and 44,969.44 is: 62,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780.21 : 111,474.19 = 44,969.44 : x
  2. Step 2: Convert to fraction form
    80,780.21/111,474.19 = 44,969.44/x
  3. Step 3: Cross multiply
    80,780.21x = 111,474.19 × 44,969.44
  4. Step 4: Simplify right side
    80,780.21x = 5,012,931,898.75
  5. Step 5: Solve for x
    x = 5,012,931,898.75/80,780.21
  6. Step 6: Final answer
    x = 62,056.44

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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.