Home / 117,729.12-176,589.72-51,169.20

Finding the Fourth Proportional to 117,729.12, 176,589.72 and 51,169.20

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Solution

The fourth proportional to 117,729.12, 176,589.72 and 51,169.20 is: 76,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.12 : 176,589.72 = 51,169.20 : x
  2. Step 2: Convert to fraction form
    117,729.12/176,589.72 = 51,169.20/x
  3. Step 3: Cross multiply
    117,729.12x = 176,589.72 × 51,169.20
  4. Step 4: Simplify right side
    117,729.12x = 9,035,954,700.62
  5. Step 5: Solve for x
    x = 9,035,954,700.62/117,729.12
  6. Step 6: Final answer
    x = 76,752.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.