Home / 69,501.04-95,912.10-39,286.42

Finding the Fourth Proportional to 69,501.04, 95,912.10 and 39,286.42

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Solution

The fourth proportional to 69,501.04, 95,912.10 and 39,286.42 is: 54,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501.04 : 95,912.10 = 39,286.42 : x
  2. Step 2: Convert to fraction form
    69,501.04/95,912.10 = 39,286.42/x
  3. Step 3: Cross multiply
    69,501.04x = 95,912.10 × 39,286.42
  4. Step 4: Simplify right side
    69,501.04x = 3,768,042,803.90
  5. Step 5: Solve for x
    x = 3,768,042,803.90/69,501.04
  6. Step 6: Final answer
    x = 54,215.63

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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.