Home / 117,044.11-161,519.72-63,327.95

Finding the Fourth Proportional to 117,044.11, 161,519.72 and 63,327.95

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Solution

The fourth proportional to 117,044.11, 161,519.72 and 63,327.95 is: 87,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,044.11 : 161,519.72 = 63,327.95 : x
  2. Step 2: Convert to fraction form
    117,044.11/161,519.72 = 63,327.95/x
  3. Step 3: Cross multiply
    117,044.11x = 161,519.72 × 63,327.95
  4. Step 4: Simplify right side
    117,044.11x = 10,228,711,627.94
  5. Step 5: Solve for x
    x = 10,228,711,627.94/117,044.11
  6. Step 6: Final answer
    x = 87,391.94

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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.