Home / 77,213.25-106,481.39-50,376.33

Finding the Fourth Proportional to 77,213.25, 106,481.39 and 50,376.33

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Solution

The fourth proportional to 77,213.25, 106,481.39 and 50,376.33 is: 69,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.25 : 106,481.39 = 50,376.33 : x
  2. Step 2: Convert to fraction form
    77,213.25/106,481.39 = 50,376.33/x
  3. Step 3: Cross multiply
    77,213.25x = 106,481.39 × 50,376.33
  4. Step 4: Simplify right side
    77,213.25x = 5,364,141,389.62
  5. Step 5: Solve for x
    x = 5,364,141,389.62/77,213.25
  6. Step 6: Final answer
    x = 69,471.77

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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.