Home / 69,831.28-104,683.38-25,447.92

Finding the Fourth Proportional to 69,831.28, 104,683.38 and 25,447.92

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Solution

The fourth proportional to 69,831.28, 104,683.38 and 25,447.92 is: 38,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.28 : 104,683.38 = 25,447.92 : x
  2. Step 2: Convert to fraction form
    69,831.28/104,683.38 = 25,447.92/x
  3. Step 3: Cross multiply
    69,831.28x = 104,683.38 × 25,447.92
  4. Step 4: Simplify right side
    69,831.28x = 2,663,974,279.57
  5. Step 5: Solve for x
    x = 2,663,974,279.57/69,831.28
  6. Step 6: Final answer
    x = 38,148.72

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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.