Home / 117,731.44-162,465.84-64,016.56

Finding the Fourth Proportional to 117,731.44, 162,465.84 and 64,016.56

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Solution

The fourth proportional to 117,731.44, 162,465.84 and 64,016.56 is: 88,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731.44 : 162,465.84 = 64,016.56 : x
  2. Step 2: Convert to fraction form
    117,731.44/162,465.84 = 64,016.56/x
  3. Step 3: Cross multiply
    117,731.44x = 162,465.84 × 64,016.56
  4. Step 4: Simplify right side
    117,731.44x = 10,400,504,194.31
  5. Step 5: Solve for x
    x = 10,400,504,194.31/117,731.44
  6. Step 6: Final answer
    x = 88,340.92

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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.