Home / 117,042.60-161,517.65-63,326.44

Finding the Fourth Proportional to 117,042.60, 161,517.65 and 63,326.44

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Solution

The fourth proportional to 117,042.60, 161,517.65 and 63,326.44 is: 87,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,042.60 : 161,517.65 = 63,326.44 : x
  2. Step 2: Convert to fraction form
    117,042.60/161,517.65 = 63,326.44/x
  3. Step 3: Cross multiply
    117,042.60x = 161,517.65 × 63,326.44
  4. Step 4: Simplify right side
    117,042.60x = 10,228,337,656.93
  5. Step 5: Solve for x
    x = 10,228,337,656.93/117,042.60
  6. Step 6: Final answer
    x = 87,389.87

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1.5x scale

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.