Home / 80,782.10-111,474.97-44,971.18

Finding the Fourth Proportional to 80,782.10, 111,474.97 and 44,971.18

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Solution

The fourth proportional to 80,782.10, 111,474.97 and 44,971.18 is: 62,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,782.10 : 111,474.97 = 44,971.18 : x
  2. Step 2: Convert to fraction form
    80,782.10/111,474.97 = 44,971.18/x
  3. Step 3: Cross multiply
    80,782.10x = 111,474.97 × 44,971.18
  4. Step 4: Simplify right side
    80,782.10x = 5,013,160,941.36
  5. Step 5: Solve for x
    x = 5,013,160,941.36/80,782.10
  6. Step 6: Final answer
    x = 62,057.82

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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.