Home / 118,040.52-162,891.78-64,324.44

Finding the Fourth Proportional to 118,040.52, 162,891.78 and 64,324.44

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Solution

The fourth proportional to 118,040.52, 162,891.78 and 64,324.44 is: 88,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,040.52 : 162,891.78 = 64,324.44 : x
  2. Step 2: Convert to fraction form
    118,040.52/162,891.78 = 64,324.44/x
  3. Step 3: Cross multiply
    118,040.52x = 162,891.78 × 64,324.44
  4. Step 4: Simplify right side
    118,040.52x = 10,477,922,529.10
  5. Step 5: Solve for x
    x = 10,477,922,529.10/118,040.52
  6. Step 6: Final answer
    x = 88,765.47

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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.