Home / 69,165.12-95,448.48-38,944.56

Finding the Fourth Proportional to 69,165.12, 95,448.48 and 38,944.56

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Solution

The fourth proportional to 69,165.12, 95,448.48 and 38,944.56 is: 53,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.12 : 95,448.48 = 38,944.56 : x
  2. Step 2: Convert to fraction form
    69,165.12/95,448.48 = 38,944.56/x
  3. Step 3: Cross multiply
    69,165.12x = 95,448.48 × 38,944.56
  4. Step 4: Simplify right side
    69,165.12x = 3,717,199,056.27
  5. Step 5: Solve for x
    x = 3,717,199,056.27/69,165.12
  6. Step 6: Final answer
    x = 53,743.84

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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.