Home / 69,668.24-96,143.28-39,452.75

Finding the Fourth Proportional to 69,668.24, 96,143.28 and 39,452.75

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Solution

The fourth proportional to 69,668.24, 96,143.28 and 39,452.75 is: 54,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.24 : 96,143.28 = 39,452.75 : x
  2. Step 2: Convert to fraction form
    69,668.24/96,143.28 = 39,452.75/x
  3. Step 3: Cross multiply
    69,668.24x = 96,143.28 × 39,452.75
  4. Step 4: Simplify right side
    69,668.24x = 3,793,116,309.30
  5. Step 5: Solve for x
    x = 3,793,116,309.30/69,668.24
  6. Step 6: Final answer
    x = 54,445.41

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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.