Home / 73,082.10-100,853.61-39,548.10

Finding the Fourth Proportional to 73,082.10, 100,853.61 and 39,548.10

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Solution

The fourth proportional to 73,082.10, 100,853.61 and 39,548.10 is: 54,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,082.10 : 100,853.61 = 39,548.10 : x
  2. Step 2: Convert to fraction form
    73,082.10/100,853.61 = 39,548.10/x
  3. Step 3: Cross multiply
    73,082.10x = 100,853.61 × 39,548.10
  4. Step 4: Simplify right side
    73,082.10x = 3,988,568,653.64
  5. Step 5: Solve for x
    x = 3,988,568,653.64/73,082.10
  6. Step 6: Final answer
    x = 54,576.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.