Home / 80,901.18-111,644.16-45,093.45

Finding the Fourth Proportional to 80,901.18, 111,644.16 and 45,093.45

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Solution

The fourth proportional to 80,901.18, 111,644.16 and 45,093.45 is: 62,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901.18 : 111,644.16 = 45,093.45 : x
  2. Step 2: Convert to fraction form
    80,901.18/111,644.16 = 45,093.45/x
  3. Step 3: Cross multiply
    80,901.18x = 111,644.16 × 45,093.45
  4. Step 4: Simplify right side
    80,901.18x = 5,034,420,346.75
  5. Step 5: Solve for x
    x = 5,034,420,346.75/80,901.18
  6. Step 6: Final answer
    x = 62,229.26

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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.