Home / 77,964.75-116,954.42-25,360.11

Finding the Fourth Proportional to 77,964.75, 116,954.42 and 25,360.11

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Solution

The fourth proportional to 77,964.75, 116,954.42 and 25,360.11 is: 38,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.75 : 116,954.42 = 25,360.11 : x
  2. Step 2: Convert to fraction form
    77,964.75/116,954.42 = 25,360.11/x
  3. Step 3: Cross multiply
    77,964.75x = 116,954.42 × 25,360.11
  4. Step 4: Simplify right side
    77,964.75x = 2,965,976,829.39
  5. Step 5: Solve for x
    x = 2,965,976,829.39/77,964.75
  6. Step 6: Final answer
    x = 38,042.54

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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.