Home / 90,822.44-125,334.96-50,538.79

Finding the Fourth Proportional to 90,822.44, 125,334.96 and 50,538.79

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Solution

The fourth proportional to 90,822.44, 125,334.96 and 50,538.79 is: 69,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,822.44 : 125,334.96 = 50,538.79 : x
  2. Step 2: Convert to fraction form
    90,822.44/125,334.96 = 50,538.79/x
  3. Step 3: Cross multiply
    90,822.44x = 125,334.96 × 50,538.79
  4. Step 4: Simplify right side
    90,822.44x = 6,334,277,787.59
  5. Step 5: Solve for x
    x = 6,334,277,787.59/90,822.44
  6. Step 6: Final answer
    x = 69,743.54

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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.