Home / 106,104.46-146,422.87-58,356.78

Finding the Fourth Proportional to 106,104.46, 146,422.87 and 58,356.78

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Solution

The fourth proportional to 106,104.46, 146,422.87 and 58,356.78 is: 80,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,104.46 : 146,422.87 = 58,356.78 : x
  2. Step 2: Convert to fraction form
    106,104.46/146,422.87 = 58,356.78/x
  3. Step 3: Cross multiply
    106,104.46x = 146,422.87 × 58,356.78
  4. Step 4: Simplify right side
    106,104.46x = 8,544,767,211.56
  5. Step 5: Solve for x
    x = 8,544,767,211.56/106,104.46
  6. Step 6: Final answer
    x = 80,531.65

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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.