Home / 84,938.70-117,221.97-50,948.52

Finding the Fourth Proportional to 84,938.70, 117,221.97 and 50,948.52

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Solution

The fourth proportional to 84,938.70, 117,221.97 and 50,948.52 is: 70,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.70 : 117,221.97 = 50,948.52 : x
  2. Step 2: Convert to fraction form
    84,938.70/117,221.97 = 50,948.52/x
  3. Step 3: Cross multiply
    84,938.70x = 117,221.97 × 50,948.52
  4. Step 4: Simplify right side
    84,938.70x = 5,972,285,882.98
  5. Step 5: Solve for x
    x = 5,972,285,882.98/84,938.70
  6. Step 6: Final answer
    x = 70,312.89

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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.