Home / 54,082.12-81,126.06-16,667.89

Finding the Fourth Proportional to 54,082.12, 81,126.06 and 16,667.89

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Solution

The fourth proportional to 54,082.12, 81,126.06 and 16,667.89 is: 25,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.12 : 81,126.06 = 16,667.89 : x
  2. Step 2: Convert to fraction form
    54,082.12/81,126.06 = 16,667.89/x
  3. Step 3: Cross multiply
    54,082.12x = 81,126.06 × 16,667.89
  4. Step 4: Simplify right side
    54,082.12x = 1,352,200,244.21
  5. Step 5: Solve for x
    x = 1,352,200,244.21/54,082.12
  6. Step 6: Final answer
    x = 25,002.72

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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.