Home / 69,409.50-95,777.76-39,192.99

Finding the Fourth Proportional to 69,409.50, 95,777.76 and 39,192.99

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Solution

The fourth proportional to 69,409.50, 95,777.76 and 39,192.99 is: 54,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.50 : 95,777.76 = 39,192.99 : x
  2. Step 2: Convert to fraction form
    69,409.50/95,777.76 = 39,192.99/x
  3. Step 3: Cross multiply
    69,409.50x = 95,777.76 × 39,192.99
  4. Step 4: Simplify right side
    69,409.50x = 3,753,816,789.90
  5. Step 5: Solve for x
    x = 3,753,816,789.90/69,409.50
  6. Step 6: Final answer
    x = 54,082.18

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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.