Home / 104,138.52-143,711.25-58,826.17

Finding the Fourth Proportional to 104,138.52, 143,711.25 and 58,826.17

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Solution

The fourth proportional to 104,138.52, 143,711.25 and 58,826.17 is: 81,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,138.52 : 143,711.25 = 58,826.17 : x
  2. Step 2: Convert to fraction form
    104,138.52/143,711.25 = 58,826.17/x
  3. Step 3: Cross multiply
    104,138.52x = 143,711.25 × 58,826.17
  4. Step 4: Simplify right side
    104,138.52x = 8,453,982,129.28
  5. Step 5: Solve for x
    x = 8,453,982,129.28/104,138.52
  6. Step 6: Final answer
    x = 81,180.17

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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.