Home / 91,399.96-126,133.62-55,591.48

Finding the Fourth Proportional to 91,399.96, 126,133.62 and 55,591.48

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Solution

The fourth proportional to 91,399.96, 126,133.62 and 55,591.48 is: 76,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,399.96 : 126,133.62 = 55,591.48 : x
  2. Step 2: Convert to fraction form
    91,399.96/126,133.62 = 55,591.48/x
  3. Step 3: Cross multiply
    91,399.96x = 126,133.62 × 55,591.48
  4. Step 4: Simplify right side
    91,399.96x = 7,011,954,613.56
  5. Step 5: Solve for x
    x = 7,011,954,613.56/91,399.96
  6. Step 6: Final answer
    x = 76,717.26

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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.