Home / 104,146.45-143,722.55-58,824.97

Finding the Fourth Proportional to 104,146.45, 143,722.55 and 58,824.97

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Solution

The fourth proportional to 104,146.45, 143,722.55 and 58,824.97 is: 81,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,146.45 : 143,722.55 = 58,824.97 : x
  2. Step 2: Convert to fraction form
    104,146.45/143,722.55 = 58,824.97/x
  3. Step 3: Cross multiply
    104,146.45x = 143,722.55 × 58,824.97
  4. Step 4: Simplify right side
    104,146.45x = 8,454,474,479.83
  5. Step 5: Solve for x
    x = 8,454,474,479.83/104,146.45
  6. Step 6: Final answer
    x = 81,178.71

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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.