Home / 90,949.06-125,504.80-50,111.82

Finding the Fourth Proportional to 90,949.06, 125,504.80 and 50,111.82

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Solution

The fourth proportional to 90,949.06, 125,504.80 and 50,111.82 is: 69,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.06 : 125,504.80 = 50,111.82 : x
  2. Step 2: Convert to fraction form
    90,949.06/125,504.80 = 50,111.82/x
  3. Step 3: Cross multiply
    90,949.06x = 125,504.80 × 50,111.82
  4. Step 4: Simplify right side
    90,949.06x = 6,289,273,946.74
  5. Step 5: Solve for x
    x = 6,289,273,946.74/90,949.06
  6. Step 6: Final answer
    x = 69,151.61

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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.