Home / 117,589.40-162,274.22-63,874.43

Finding the Fourth Proportional to 117,589.40, 162,274.22 and 63,874.43

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Solution

The fourth proportional to 117,589.40, 162,274.22 and 63,874.43 is: 88,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.40 : 162,274.22 = 63,874.43 : x
  2. Step 2: Convert to fraction form
    117,589.40/162,274.22 = 63,874.43/x
  3. Step 3: Cross multiply
    117,589.40x = 162,274.22 × 63,874.43
  4. Step 4: Simplify right side
    117,589.40x = 10,365,172,986.82
  5. Step 5: Solve for x
    x = 10,365,172,986.82/117,589.40
  6. Step 6: Final answer
    x = 88,147.18

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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.