Home / 117,636.24-162,338.67-63,921.69

Finding the Fourth Proportional to 117,636.24, 162,338.67 and 63,921.69

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Solution

The fourth proportional to 117,636.24, 162,338.67 and 63,921.69 is: 88,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.24 : 162,338.67 = 63,921.69 : x
  2. Step 2: Convert to fraction form
    117,636.24/162,338.67 = 63,921.69/x
  3. Step 3: Cross multiply
    117,636.24x = 162,338.67 × 63,921.69
  4. Step 4: Simplify right side
    117,636.24x = 10,376,962,138.75
  5. Step 5: Solve for x
    x = 10,376,962,138.75/117,636.24
  6. Step 6: Final answer
    x = 88,212.29

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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.