Home / 69,305.68-95,641.32-54,213.76

Finding the Fourth Proportional to 69,305.68, 95,641.32 and 54,213.76

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Solution

The fourth proportional to 69,305.68, 95,641.32 and 54,213.76 is: 74,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,305.68 : 95,641.32 = 54,213.76 : x
  2. Step 2: Convert to fraction form
    69,305.68/95,641.32 = 54,213.76/x
  3. Step 3: Cross multiply
    69,305.68x = 95,641.32 × 54,213.76
  4. Step 4: Simplify right side
    69,305.68x = 5,185,075,568.56
  5. Step 5: Solve for x
    x = 5,185,075,568.56/69,305.68
  6. Step 6: Final answer
    x = 74,814.58

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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.