Home / 117,944.40-162,764.32-64,229.66

Finding the Fourth Proportional to 117,944.40, 162,764.32 and 64,229.66

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Solution

The fourth proportional to 117,944.40, 162,764.32 and 64,229.66 is: 88,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,944.40 : 162,764.32 = 64,229.66 : x
  2. Step 2: Convert to fraction form
    117,944.40/162,764.32 = 64,229.66/x
  3. Step 3: Cross multiply
    117,944.40x = 162,764.32 × 64,229.66
  4. Step 4: Simplify right side
    117,944.40x = 10,454,296,933.73
  5. Step 5: Solve for x
    x = 10,454,296,933.73/117,944.40
  6. Step 6: Final answer
    x = 88,637.50

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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.