Home / 41,122.20-61,647.30-27,931.80

Finding the Fourth Proportional to 41,122.20, 61,647.30 and 27,931.80

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Solution

The fourth proportional to 41,122.20, 61,647.30 and 27,931.80 is: 41,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,122.20 : 61,647.30 = 27,931.80 : x
  2. Step 2: Convert to fraction form
    41,122.20/61,647.30 = 27,931.80/x
  3. Step 3: Cross multiply
    41,122.20x = 61,647.30 × 27,931.80
  4. Step 4: Simplify right side
    41,122.20x = 1,721,920,054.14
  5. Step 5: Solve for x
    x = 1,721,920,054.14/41,122.20
  6. Step 6: Final answer
    x = 41,873.25

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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.