Home / 91,286.56-125,968.26-50,997.16

Finding the Fourth Proportional to 91,286.56, 125,968.26 and 50,997.16

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Solution

The fourth proportional to 91,286.56, 125,968.26 and 50,997.16 is: 70,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.56 : 125,968.26 = 50,997.16 : x
  2. Step 2: Convert to fraction form
    91,286.56/125,968.26 = 50,997.16/x
  3. Step 3: Cross multiply
    91,286.56x = 125,968.26 × 50,997.16
  4. Step 4: Simplify right side
    91,286.56x = 6,424,023,510.14
  5. Step 5: Solve for x
    x = 6,424,023,510.14/91,286.56
  6. Step 6: Final answer
    x = 70,372.06

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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.