Home / 90,831.36-125,348.94-50,546.82

Finding the Fourth Proportional to 90,831.36, 125,348.94 and 50,546.82

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Solution

The fourth proportional to 90,831.36, 125,348.94 and 50,546.82 is: 69,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,831.36 : 125,348.94 = 50,546.82 : x
  2. Step 2: Convert to fraction form
    90,831.36/125,348.94 = 50,546.82/x
  3. Step 3: Cross multiply
    90,831.36x = 125,348.94 × 50,546.82
  4. Step 4: Simplify right side
    90,831.36x = 6,335,990,307.37
  5. Step 5: Solve for x
    x = 6,335,990,307.37/90,831.36
  6. Step 6: Final answer
    x = 69,755.54

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1.5x scale

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.