Home / 69,021.72-95,253.36-38,816.56

Finding the Fourth Proportional to 69,021.72, 95,253.36 and 38,816.56

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Solution

The fourth proportional to 69,021.72, 95,253.36 and 38,816.56 is: 53,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.72 : 95,253.36 = 38,816.56 : x
  2. Step 2: Convert to fraction form
    69,021.72/95,253.36 = 38,816.56/x
  3. Step 3: Cross multiply
    69,021.72x = 95,253.36 × 38,816.56
  4. Step 4: Simplify right side
    69,021.72x = 3,697,407,763.64
  5. Step 5: Solve for x
    x = 3,697,407,763.64/69,021.72
  6. Step 6: Final answer
    x = 53,568.76

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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.