Home / 92,272.58-127,336.16-49,831.12

Finding the Fourth Proportional to 92,272.58, 127,336.16 and 49,831.12

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Solution

The fourth proportional to 92,272.58, 127,336.16 and 49,831.12 is: 68,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,272.58 : 127,336.16 = 49,831.12 : x
  2. Step 2: Convert to fraction form
    92,272.58/127,336.16 = 49,831.12/x
  3. Step 3: Cross multiply
    92,272.58x = 127,336.16 × 49,831.12
  4. Step 4: Simplify right side
    92,272.58x = 6,345,303,469.30
  5. Step 5: Solve for x
    x = 6,345,303,469.30/92,272.58
  6. Step 6: Final answer
    x = 68,766.95

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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.