Home / 122,831.58-184,137.78-47,934.32

Finding the Fourth Proportional to 122,831.58, 184,137.78 and 47,934.32

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Solution

The fourth proportional to 122,831.58, 184,137.78 and 47,934.32 is: 71,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,831.58 : 184,137.78 = 47,934.32 : x
  2. Step 2: Convert to fraction form
    122,831.58/184,137.78 = 47,934.32/x
  3. Step 3: Cross multiply
    122,831.58x = 184,137.78 × 47,934.32
  4. Step 4: Simplify right side
    122,831.58x = 8,826,518,349.92
  5. Step 5: Solve for x
    x = 8,826,518,349.92/122,831.58
  6. Step 6: Final answer
    x = 71,858.71

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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.