Home / 96,729.63-145,047.89-75,616.17

Finding the Fourth Proportional to 96,729.63, 145,047.89 and 75,616.17

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Solution

The fourth proportional to 96,729.63, 145,047.89 and 75,616.17 is: 113,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,729.63 : 145,047.89 = 75,616.17 : x
  2. Step 2: Convert to fraction form
    96,729.63/145,047.89 = 75,616.17/x
  3. Step 3: Cross multiply
    96,729.63x = 145,047.89 × 75,616.17
  4. Step 4: Simplify right side
    96,729.63x = 10,967,965,530.30
  5. Step 5: Solve for x
    x = 10,967,965,530.30/96,729.63
  6. Step 6: Final answer
    x = 113,387.86

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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.