Home / 78,997.35-118,471.92-41,537.10

Finding the Fourth Proportional to 78,997.35, 118,471.92 and 41,537.10

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Solution

The fourth proportional to 78,997.35, 118,471.92 and 41,537.10 is: 62,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,997.35 : 118,471.92 = 41,537.10 : x
  2. Step 2: Convert to fraction form
    78,997.35/118,471.92 = 41,537.10/x
  3. Step 3: Cross multiply
    78,997.35x = 118,471.92 × 41,537.10
  4. Step 4: Simplify right side
    78,997.35x = 4,920,979,395.87
  5. Step 5: Solve for x
    x = 4,920,979,395.87/78,997.35
  6. Step 6: Final answer
    x = 62,292.97

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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.