Home / 77,320.46-116,025.28-41,781.85

Finding the Fourth Proportional to 77,320.46, 116,025.28 and 41,781.85

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Solution

The fourth proportional to 77,320.46, 116,025.28 and 41,781.85 is: 62,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.46 : 116,025.28 = 41,781.85 : x
  2. Step 2: Convert to fraction form
    77,320.46/116,025.28 = 41,781.85/x
  3. Step 3: Cross multiply
    77,320.46x = 116,025.28 × 41,781.85
  4. Step 4: Simplify right side
    77,320.46x = 4,847,750,450.65
  5. Step 5: Solve for x
    x = 4,847,750,450.65/77,320.46
  6. Step 6: Final answer
    x = 62,696.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.