Home / 117,553.24-162,273.13-79,364.52

Finding the Fourth Proportional to 117,553.24, 162,273.13 and 79,364.52

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Solution

The fourth proportional to 117,553.24, 162,273.13 and 79,364.52 is: 109,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.24 : 162,273.13 = 79,364.52 : x
  2. Step 2: Convert to fraction form
    117,553.24/162,273.13 = 79,364.52/x
  3. Step 3: Cross multiply
    117,553.24x = 162,273.13 × 79,364.52
  4. Step 4: Simplify right side
    117,553.24x = 12,878,729,071.35
  5. Step 5: Solve for x
    x = 12,878,729,071.35/117,553.24
  6. Step 6: Final answer
    x = 109,556.56

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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.