Home / 125,822.07-188,743.56-54,747.15

Finding the Fourth Proportional to 125,822.07, 188,743.56 and 54,747.15

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Solution

The fourth proportional to 125,822.07, 188,743.56 and 54,747.15 is: 82,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,822.07 : 188,743.56 = 54,747.15 : x
  2. Step 2: Convert to fraction form
    125,822.07/188,743.56 = 54,747.15/x
  3. Step 3: Cross multiply
    125,822.07x = 188,743.56 × 54,747.15
  4. Step 4: Simplify right side
    125,822.07x = 10,333,171,990.85
  5. Step 5: Solve for x
    x = 10,333,171,990.85/125,822.07
  6. Step 6: Final answer
    x = 82,125.27

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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.