Home / 80,975.75-121,463.62-41,507.69

Finding the Fourth Proportional to 80,975.75, 121,463.62 and 41,507.69

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Solution

The fourth proportional to 80,975.75, 121,463.62 and 41,507.69 is: 62,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,975.75 : 121,463.62 = 41,507.69 : x
  2. Step 2: Convert to fraction form
    80,975.75/121,463.62 = 41,507.69/x
  3. Step 3: Cross multiply
    80,975.75x = 121,463.62 × 41,507.69
  4. Step 4: Simplify right side
    80,975.75x = 5,041,673,574.15
  5. Step 5: Solve for x
    x = 5,041,673,574.15/80,975.75
  6. Step 6: Final answer
    x = 62,261.53

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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.