Home / 69,853.52-96,406.07-39,231.65

Finding the Fourth Proportional to 69,853.52, 96,406.07 and 39,231.65

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Solution

The fourth proportional to 69,853.52, 96,406.07 and 39,231.65 is: 54,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.52 : 96,406.07 = 39,231.65 : x
  2. Step 2: Convert to fraction form
    69,853.52/96,406.07 = 39,231.65/x
  3. Step 3: Cross multiply
    69,853.52x = 96,406.07 × 39,231.65
  4. Step 4: Simplify right side
    69,853.52x = 3,782,168,517.93
  5. Step 5: Solve for x
    x = 3,782,168,517.93/69,853.52
  6. Step 6: Final answer
    x = 54,144.28

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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.