Home / 61,517.31-92,243.14-31,861.59

Finding the Fourth Proportional to 61,517.31, 92,243.14 and 31,861.59

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Solution

The fourth proportional to 61,517.31, 92,243.14 and 31,861.59 is: 47,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.31 : 92,243.14 = 31,861.59 : x
  2. Step 2: Convert to fraction form
    61,517.31/92,243.14 = 31,861.59/x
  3. Step 3: Cross multiply
    61,517.31x = 92,243.14 × 31,861.59
  4. Step 4: Simplify right side
    61,517.31x = 2,939,013,106.99
  5. Step 5: Solve for x
    x = 2,939,013,106.99/61,517.31
  6. Step 6: Final answer
    x = 47,775.38

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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.