Home / 91,571.12-137,324.04-41,609.36

Finding the Fourth Proportional to 91,571.12, 137,324.04 and 41,609.36

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Solution

The fourth proportional to 91,571.12, 137,324.04 and 41,609.36 is: 62,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.12 : 137,324.04 = 41,609.36 : x
  2. Step 2: Convert to fraction form
    91,571.12/137,324.04 = 41,609.36/x
  3. Step 3: Cross multiply
    91,571.12x = 137,324.04 × 41,609.36
  4. Step 4: Simplify right side
    91,571.12x = 5,713,965,417.01
  5. Step 5: Solve for x
    x = 5,713,965,417.01/91,571.12
  6. Step 6: Final answer
    x = 62,399.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.