Home / 117,941.20-162,757.24-66,953.48

Finding the Fourth Proportional to 117,941.20, 162,757.24 and 66,953.48

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Solution

The fourth proportional to 117,941.20, 162,757.24 and 66,953.48 is: 92,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,941.20 : 162,757.24 = 66,953.48 : x
  2. Step 2: Convert to fraction form
    117,941.20/162,757.24 = 66,953.48/x
  3. Step 3: Cross multiply
    117,941.20x = 162,757.24 × 66,953.48
  4. Step 4: Simplify right side
    117,941.20x = 10,897,163,613.20
  5. Step 5: Solve for x
    x = 10,897,163,613.20/117,941.20
  6. Step 6: Final answer
    x = 92,394.89

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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.