Home / 80,831.55-121,247.32-24,671.95

Finding the Fourth Proportional to 80,831.55, 121,247.32 and 24,671.95

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Solution

The fourth proportional to 80,831.55, 121,247.32 and 24,671.95 is: 37,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.55 : 121,247.32 = 24,671.95 : x
  2. Step 2: Convert to fraction form
    80,831.55/121,247.32 = 24,671.95/x
  3. Step 3: Cross multiply
    80,831.55x = 121,247.32 × 24,671.95
  4. Step 4: Simplify right side
    80,831.55x = 2,991,407,087.08
  5. Step 5: Solve for x
    x = 2,991,407,087.08/80,831.55
  6. Step 6: Final answer
    x = 37,007.91

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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.