Home / 69,324.90-95,680.13-39,118.79

Finding the Fourth Proportional to 69,324.90, 95,680.13 and 39,118.79

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Solution

The fourth proportional to 69,324.90, 95,680.13 and 39,118.79 is: 53,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,324.90 : 95,680.13 = 39,118.79 : x
  2. Step 2: Convert to fraction form
    69,324.90/95,680.13 = 39,118.79/x
  3. Step 3: Cross multiply
    69,324.90x = 95,680.13 × 39,118.79
  4. Step 4: Simplify right side
    69,324.90x = 3,742,890,238.65
  5. Step 5: Solve for x
    x = 3,742,890,238.65/69,324.90
  6. Step 6: Final answer
    x = 53,990.56

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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.