Home / 90,736.92-125,216.28-50,450.36

Finding the Fourth Proportional to 90,736.92, 125,216.28 and 50,450.36

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Solution

The fourth proportional to 90,736.92, 125,216.28 and 50,450.36 is: 69,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.92 : 125,216.28 = 50,450.36 : x
  2. Step 2: Convert to fraction form
    90,736.92/125,216.28 = 50,450.36/x
  3. Step 3: Cross multiply
    90,736.92x = 125,216.28 × 50,450.36
  4. Step 4: Simplify right side
    90,736.92x = 6,317,206,403.86
  5. Step 5: Solve for x
    x = 6,317,206,403.86/90,736.92
  6. Step 6: Final answer
    x = 69,621.12

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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.