Home / 80,664.18-111,319.14-44,855.70

Finding the Fourth Proportional to 80,664.18, 111,319.14 and 44,855.70

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Solution

The fourth proportional to 80,664.18, 111,319.14 and 44,855.70 is: 61,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,664.18 : 111,319.14 = 44,855.70 : x
  2. Step 2: Convert to fraction form
    80,664.18/111,319.14 = 44,855.70/x
  3. Step 3: Cross multiply
    80,664.18x = 111,319.14 × 44,855.70
  4. Step 4: Simplify right side
    80,664.18x = 4,993,297,948.10
  5. Step 5: Solve for x
    x = 4,993,297,948.10/80,664.18
  6. Step 6: Final answer
    x = 61,902.30

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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.