Home / 69,918.01-96,479.66-39,286.24

Finding the Fourth Proportional to 69,918.01, 96,479.66 and 39,286.24

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Solution

The fourth proportional to 69,918.01, 96,479.66 and 39,286.24 is: 54,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.01 : 96,479.66 = 39,286.24 : x
  2. Step 2: Convert to fraction form
    69,918.01/96,479.66 = 39,286.24/x
  3. Step 3: Cross multiply
    69,918.01x = 96,479.66 × 39,286.24
  4. Step 4: Simplify right side
    69,918.01x = 3,790,322,399.05
  5. Step 5: Solve for x
    x = 3,790,322,399.05/69,918.01
  6. Step 6: Final answer
    x = 54,210.96

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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.