Home / 69,157.04-95,435.70-38,942.42

Finding the Fourth Proportional to 69,157.04, 95,435.70 and 38,942.42

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Solution

The fourth proportional to 69,157.04, 95,435.70 and 38,942.42 is: 53,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.04 : 95,435.70 = 38,942.42 : x
  2. Step 2: Convert to fraction form
    69,157.04/95,435.70 = 38,942.42/x
  3. Step 3: Cross multiply
    69,157.04x = 95,435.70 × 38,942.42
  4. Step 4: Simplify right side
    69,157.04x = 3,716,497,112.39
  5. Step 5: Solve for x
    x = 3,716,497,112.39/69,157.04
  6. Step 6: Final answer
    x = 53,739.97

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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.