Home / 69,324.85-95,668.31-39,116.57

Finding the Fourth Proportional to 69,324.85, 95,668.31 and 39,116.57

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Solution

The fourth proportional to 69,324.85, 95,668.31 and 39,116.57 is: 53,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,324.85 : 95,668.31 = 39,116.57 : x
  2. Step 2: Convert to fraction form
    69,324.85/95,668.31 = 39,116.57/x
  3. Step 3: Cross multiply
    69,324.85x = 95,668.31 × 39,116.57
  4. Step 4: Simplify right side
    69,324.85x = 3,742,215,949.31
  5. Step 5: Solve for x
    x = 3,742,215,949.31/69,324.85
  6. Step 6: Final answer
    x = 53,980.88

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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.