Home / 121,768.78-182,635.92-41,805.44

Finding the Fourth Proportional to 121,768.78, 182,635.92 and 41,805.44

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Solution

The fourth proportional to 121,768.78, 182,635.92 and 41,805.44 is: 62,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,768.78 : 182,635.92 = 41,805.44 : x
  2. Step 2: Convert to fraction form
    121,768.78/182,635.92 = 41,805.44/x
  3. Step 3: Cross multiply
    121,768.78x = 182,635.92 × 41,805.44
  4. Step 4: Simplify right side
    121,768.78x = 7,635,174,995.40
  5. Step 5: Solve for x
    x = 7,635,174,995.40/121,768.78
  6. Step 6: Final answer
    x = 62,702.24

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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.