Home / 69,542.69-95,974.20-39,328.61

Finding the Fourth Proportional to 69,542.69, 95,974.20 and 39,328.61

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Solution

The fourth proportional to 69,542.69, 95,974.20 and 39,328.61 is: 54,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542.69 : 95,974.20 = 39,328.61 : x
  2. Step 2: Convert to fraction form
    69,542.69/95,974.20 = 39,328.61/x
  3. Step 3: Cross multiply
    69,542.69x = 95,974.20 × 39,328.61
  4. Step 4: Simplify right side
    69,542.69x = 3,774,531,401.99
  5. Step 5: Solve for x
    x = 3,774,531,401.99/69,542.69
  6. Step 6: Final answer
    x = 54,276.47

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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.