Home / 61,517.34-92,243.19-31,861.62

Finding the Fourth Proportional to 61,517.34, 92,243.19 and 31,861.62

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Solution

The fourth proportional to 61,517.34, 92,243.19 and 31,861.62 is: 47,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.34 : 92,243.19 = 31,861.62 : x
  2. Step 2: Convert to fraction form
    61,517.34/92,243.19 = 31,861.62/x
  3. Step 3: Cross multiply
    61,517.34x = 92,243.19 × 31,861.62
  4. Step 4: Simplify right side
    61,517.34x = 2,939,017,467.37
  5. Step 5: Solve for x
    x = 2,939,017,467.37/61,517.34
  6. Step 6: Final answer
    x = 47,775.43

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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.