Home / 61,199.10-84,540.78-47,231.46

Finding the Fourth Proportional to 61,199.10, 84,540.78 and 47,231.46

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Solution

The fourth proportional to 61,199.10, 84,540.78 and 47,231.46 is: 65,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,199.10 : 84,540.78 = 47,231.46 : x
  2. Step 2: Convert to fraction form
    61,199.10/84,540.78 = 47,231.46/x
  3. Step 3: Cross multiply
    61,199.10x = 84,540.78 × 47,231.46
  4. Step 4: Simplify right side
    61,199.10x = 3,992,984,468.94
  5. Step 5: Solve for x
    x = 3,992,984,468.94/61,199.10
  6. Step 6: Final answer
    x = 65,245.80

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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.