Home / 54,119.31-81,144.57-47,469.16

Finding the Fourth Proportional to 54,119.31, 81,144.57 and 47,469.16

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Solution

The fourth proportional to 54,119.31, 81,144.57 and 47,469.16 is: 71,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.31 : 81,144.57 = 47,469.16 : x
  2. Step 2: Convert to fraction form
    54,119.31/81,144.57 = 47,469.16/x
  3. Step 3: Cross multiply
    54,119.31x = 81,144.57 × 47,469.16
  4. Step 4: Simplify right side
    54,119.31x = 3,851,864,332.71
  5. Step 5: Solve for x
    x = 3,851,864,332.71/54,119.31
  6. Step 6: Final answer
    x = 71,173.57

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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.