Home / 50,083.18-75,119.88-13,147.18

Finding the Fourth Proportional to 50,083.18, 75,119.88 and 13,147.18

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Solution

The fourth proportional to 50,083.18, 75,119.88 and 13,147.18 is: 19,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,083.18 : 75,119.88 = 13,147.18 : x
  2. Step 2: Convert to fraction form
    50,083.18/75,119.88 = 13,147.18/x
  3. Step 3: Cross multiply
    50,083.18x = 75,119.88 × 13,147.18
  4. Step 4: Simplify right side
    50,083.18x = 987,614,583.94
  5. Step 5: Solve for x
    x = 987,614,583.94/50,083.18
  6. Step 6: Final answer
    x = 19,719.49

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1.5x scale

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.