Home / 91,729.56-126,579.42-50,895

Finding the Fourth Proportional to 91,729.56, 126,579.42 and 50,895

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Solution

The fourth proportional to 91,729.56, 126,579.42 and 50,895 is: 70,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.56 : 126,579.42 = 50,895 : x
  2. Step 2: Convert to fraction form
    91,729.56/126,579.42 = 50,895/x
  3. Step 3: Cross multiply
    91,729.56x = 126,579.42 × 50,895
  4. Step 4: Simplify right side
    91,729.56x = 6,442,259,580.90
  5. Step 5: Solve for x
    x = 6,442,259,580.90/91,729.56
  6. Step 6: Final answer
    x = 70,231.01

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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.