Home / 69,511.50-95,930.01-39,299.61

Finding the Fourth Proportional to 69,511.50, 95,930.01 and 39,299.61

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Solution

The fourth proportional to 69,511.50, 95,930.01 and 39,299.61 is: 54,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.50 : 95,930.01 = 39,299.61 : x
  2. Step 2: Convert to fraction form
    69,511.50/95,930.01 = 39,299.61/x
  3. Step 3: Cross multiply
    69,511.50x = 95,930.01 × 39,299.61
  4. Step 4: Simplify right side
    69,511.50x = 3,770,011,980.30
  5. Step 5: Solve for x
    x = 3,770,011,980.30/69,511.50
  6. Step 6: Final answer
    x = 54,235.80

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1.5x scale

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.