Home / 80,555.40-111,165.03-44,744.49

Finding the Fourth Proportional to 80,555.40, 111,165.03 and 44,744.49

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Solution

The fourth proportional to 80,555.40, 111,165.03 and 44,744.49 is: 61,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555.40 : 111,165.03 = 44,744.49 : x
  2. Step 2: Convert to fraction form
    80,555.40/111,165.03 = 44,744.49/x
  3. Step 3: Cross multiply
    80,555.40x = 111,165.03 × 44,744.49
  4. Step 4: Simplify right side
    80,555.40x = 4,974,022,573.18
  5. Step 5: Solve for x
    x = 4,974,022,573.18/80,555.40
  6. Step 6: Final answer
    x = 61,746.61

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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.