Home / 50,082.18-75,118.38-13,146.18

Finding the Fourth Proportional to 50,082.18, 75,118.38 and 13,146.18

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Solution

The fourth proportional to 50,082.18, 75,118.38 and 13,146.18 is: 19,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,082.18 : 75,118.38 = 13,146.18 : x
  2. Step 2: Convert to fraction form
    50,082.18/75,118.38 = 13,146.18/x
  3. Step 3: Cross multiply
    50,082.18x = 75,118.38 × 13,146.18
  4. Step 4: Simplify right side
    50,082.18x = 987,519,744.79
  5. Step 5: Solve for x
    x = 987,519,744.79/50,082.18
  6. Step 6: Final answer
    x = 19,717.99

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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.