Home / 117,933.14-162,747.78-64,218.14

Finding the Fourth Proportional to 117,933.14, 162,747.78 and 64,218.14

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Solution

The fourth proportional to 117,933.14, 162,747.78 and 64,218.14 is: 88,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.14 : 162,747.78 = 64,218.14 : x
  2. Step 2: Convert to fraction form
    117,933.14/162,747.78 = 64,218.14/x
  3. Step 3: Cross multiply
    117,933.14x = 162,747.78 × 64,218.14
  4. Step 4: Simplify right side
    117,933.14x = 10,451,359,720.73
  5. Step 5: Solve for x
    x = 10,451,359,720.73/117,933.14
  6. Step 6: Final answer
    x = 88,621.06

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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.