Home / 117,445.26-162,046.35-67,131.66

Finding the Fourth Proportional to 117,445.26, 162,046.35 and 67,131.66

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Solution

The fourth proportional to 117,445.26, 162,046.35 and 67,131.66 is: 92,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.26 : 162,046.35 = 67,131.66 : x
  2. Step 2: Convert to fraction form
    117,445.26/162,046.35 = 67,131.66/x
  3. Step 3: Cross multiply
    117,445.26x = 162,046.35 × 67,131.66
  4. Step 4: Simplify right side
    117,445.26x = 10,878,440,472.44
  5. Step 5: Solve for x
    x = 10,878,440,472.44/117,445.26
  6. Step 6: Final answer
    x = 92,625.62

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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.