Home / 125,822.58-188,744.32-54,747.66

Finding the Fourth Proportional to 125,822.58, 188,744.32 and 54,747.66

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Solution

The fourth proportional to 125,822.58, 188,744.32 and 54,747.66 is: 82,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,822.58 : 188,744.32 = 54,747.66 : x
  2. Step 2: Convert to fraction form
    125,822.58/188,744.32 = 54,747.66/x
  3. Step 3: Cross multiply
    125,822.58x = 188,744.32 × 54,747.66
  4. Step 4: Simplify right side
    125,822.58x = 10,333,309,858.29
  5. Step 5: Solve for x
    x = 10,333,309,858.29/125,822.58
  6. Step 6: Final answer
    x = 82,126.04

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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.