Home / 104,908.10-157,408.66-54,976.34

Finding the Fourth Proportional to 104,908.10, 157,408.66 and 54,976.34

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Solution

The fourth proportional to 104,908.10, 157,408.66 and 54,976.34 is: 82,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.10 : 157,408.66 = 54,976.34 : x
  2. Step 2: Convert to fraction form
    104,908.10/157,408.66 = 54,976.34/x
  3. Step 3: Cross multiply
    104,908.10x = 157,408.66 × 54,976.34
  4. Step 4: Simplify right side
    104,908.10x = 8,653,752,011.10
  5. Step 5: Solve for x
    x = 8,653,752,011.10/104,908.10
  6. Step 6: Final answer
    x = 82,488.88

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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.