Home / 117,171.11-161,695.26-63,454.88

Finding the Fourth Proportional to 117,171.11, 161,695.26 and 63,454.88

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Solution

The fourth proportional to 117,171.11, 161,695.26 and 63,454.88 is: 87,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.11 : 161,695.26 = 63,454.88 : x
  2. Step 2: Convert to fraction form
    117,171.11/161,695.26 = 63,454.88/x
  3. Step 3: Cross multiply
    117,171.11x = 161,695.26 × 63,454.88
  4. Step 4: Simplify right side
    117,171.11x = 10,260,352,511.39
  5. Step 5: Solve for x
    x = 10,260,352,511.39/117,171.11
  6. Step 6: Final answer
    x = 87,567.26

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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.