Home / 77,966.13-116,949.21-25,375.62

Finding the Fourth Proportional to 77,966.13, 116,949.21 and 25,375.62

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Solution

The fourth proportional to 77,966.13, 116,949.21 and 25,375.62 is: 38,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966.13 : 116,949.21 = 25,375.62 : x
  2. Step 2: Convert to fraction form
    77,966.13/116,949.21 = 25,375.62/x
  3. Step 3: Cross multiply
    77,966.13x = 116,949.21 × 25,375.62
  4. Step 4: Simplify right side
    77,966.13x = 2,967,658,712.26
  5. Step 5: Solve for x
    x = 2,967,658,712.26/77,966.13
  6. Step 6: Final answer
    x = 38,063.43

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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.