Home / 84,747.25-116,954.85-47,021.50

Finding the Fourth Proportional to 84,747.25, 116,954.85 and 47,021.50

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Solution

The fourth proportional to 84,747.25, 116,954.85 and 47,021.50 is: 64,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.25 : 116,954.85 = 47,021.50 : x
  2. Step 2: Convert to fraction form
    84,747.25/116,954.85 = 47,021.50/x
  3. Step 3: Cross multiply
    84,747.25x = 116,954.85 × 47,021.50
  4. Step 4: Simplify right side
    84,747.25x = 5,499,392,479.28
  5. Step 5: Solve for x
    x = 5,499,392,479.28/84,747.25
  6. Step 6: Final answer
    x = 64,891.69

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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.