Home / 69,882.90-96,433.56-39,668.82

Finding the Fourth Proportional to 69,882.90, 96,433.56 and 39,668.82

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Solution

The fourth proportional to 69,882.90, 96,433.56 and 39,668.82 is: 54,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882.90 : 96,433.56 = 39,668.82 : x
  2. Step 2: Convert to fraction form
    69,882.90/96,433.56 = 39,668.82/x
  3. Step 3: Cross multiply
    69,882.90x = 96,433.56 × 39,668.82
  4. Step 4: Simplify right side
    69,882.90x = 3,825,405,533.60
  5. Step 5: Solve for x
    x = 3,825,405,533.60/69,882.90
  6. Step 6: Final answer
    x = 54,740.22

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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.