Home / 69,687.06-96,169.17-39,471.63

Finding the Fourth Proportional to 69,687.06, 96,169.17 and 39,471.63

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Solution

The fourth proportional to 69,687.06, 96,169.17 and 39,471.63 is: 54,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687.06 : 96,169.17 = 39,471.63 : x
  2. Step 2: Convert to fraction form
    69,687.06/96,169.17 = 39,471.63/x
  3. Step 3: Cross multiply
    69,687.06x = 96,169.17 × 39,471.63
  4. Step 4: Simplify right side
    69,687.06x = 3,795,953,895.65
  5. Step 5: Solve for x
    x = 3,795,953,895.65/69,687.06
  6. Step 6: Final answer
    x = 54,471.43

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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.