Home / 80,780.58-111,475.31-44,969.87

Finding the Fourth Proportional to 80,780.58, 111,475.31 and 44,969.87

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Solution

The fourth proportional to 80,780.58, 111,475.31 and 44,969.87 is: 62,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780.58 : 111,475.31 = 44,969.87 : x
  2. Step 2: Convert to fraction form
    80,780.58/111,475.31 = 44,969.87/x
  3. Step 3: Cross multiply
    80,780.58x = 111,475.31 × 44,969.87
  4. Step 4: Simplify right side
    80,780.58x = 5,013,030,252.75
  5. Step 5: Solve for x
    x = 5,013,030,252.75/80,780.58
  6. Step 6: Final answer
    x = 62,057.37

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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.