Home / 69,422.07-104,132.08-16,831.20

Finding the Fourth Proportional to 69,422.07, 104,132.08 and 16,831.20

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Solution

The fourth proportional to 69,422.07, 104,132.08 and 16,831.20 is: 25,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,422.07 : 104,132.08 = 16,831.20 : x
  2. Step 2: Convert to fraction form
    69,422.07/104,132.08 = 16,831.20/x
  3. Step 3: Cross multiply
    69,422.07x = 104,132.08 × 16,831.20
  4. Step 4: Simplify right side
    69,422.07x = 1,752,667,864.90
  5. Step 5: Solve for x
    x = 1,752,667,864.90/69,422.07
  6. Step 6: Final answer
    x = 25,246.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.