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Finding the Fourth Proportional to 61,969.10, 92,824.05 and 34,234.70

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Solution

The fourth proportional to 61,969.10, 92,824.05 and 34,234.70 is: 51,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.10 : 92,824.05 = 34,234.70 : x
  2. Step 2: Convert to fraction form
    61,969.10/92,824.05 = 34,234.70/x
  3. Step 3: Cross multiply
    61,969.10x = 92,824.05 × 34,234.70
  4. Step 4: Simplify right side
    61,969.10x = 3,177,803,504.54
  5. Step 5: Solve for x
    x = 3,177,803,504.54/61,969.10
  6. Step 6: Final answer
    x = 51,280.45

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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.