Home / 84,747.33-127,141.58-25,579.46

Finding the Fourth Proportional to 84,747.33, 127,141.58 and 25,579.46

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Solution

The fourth proportional to 84,747.33, 127,141.58 and 25,579.46 is: 38,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.33 : 127,141.58 = 25,579.46 : x
  2. Step 2: Convert to fraction form
    84,747.33/127,141.58 = 25,579.46/x
  3. Step 3: Cross multiply
    84,747.33x = 127,141.58 × 25,579.46
  4. Step 4: Simplify right side
    84,747.33x = 3,252,213,341.75
  5. Step 5: Solve for x
    x = 3,252,213,341.75/84,747.33
  6. Step 6: Final answer
    x = 38,375.41

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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.