Home / 49,658.10-68,481.75-38,309.69

Finding the Fourth Proportional to 49,658.10, 68,481.75 and 38,309.69

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Solution

The fourth proportional to 49,658.10, 68,481.75 and 38,309.69 is: 52,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,658.10 : 68,481.75 = 38,309.69 : x
  2. Step 2: Convert to fraction form
    49,658.10/68,481.75 = 38,309.69/x
  3. Step 3: Cross multiply
    49,658.10x = 68,481.75 × 38,309.69
  4. Step 4: Simplify right side
    49,658.10x = 2,623,514,928.02
  5. Step 5: Solve for x
    x = 2,623,514,928.02/49,658.10
  6. Step 6: Final answer
    x = 52,831.56

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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.