Home / 117,493.22-162,141.87-63,778.70

Finding the Fourth Proportional to 117,493.22, 162,141.87 and 63,778.70

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Solution

The fourth proportional to 117,493.22, 162,141.87 and 63,778.70 is: 88,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,493.22 : 162,141.87 = 63,778.70 : x
  2. Step 2: Convert to fraction form
    117,493.22/162,141.87 = 63,778.70/x
  3. Step 3: Cross multiply
    117,493.22x = 162,141.87 × 63,778.70
  4. Step 4: Simplify right side
    117,493.22x = 10,341,197,684.17
  5. Step 5: Solve for x
    x = 10,341,197,684.17/117,493.22
  6. Step 6: Final answer
    x = 88,015.27

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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.