Home / 41,206.72-61,789.62-13,123.11

Finding the Fourth Proportional to 41,206.72, 61,789.62 and 13,123.11

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Solution

The fourth proportional to 41,206.72, 61,789.62 and 13,123.11 is: 19,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,206.72 : 61,789.62 = 13,123.11 : x
  2. Step 2: Convert to fraction form
    41,206.72/61,789.62 = 13,123.11/x
  3. Step 3: Cross multiply
    41,206.72x = 61,789.62 × 13,123.11
  4. Step 4: Simplify right side
    41,206.72x = 810,871,980.12
  5. Step 5: Solve for x
    x = 810,871,980.12/41,206.72
  6. Step 6: Final answer
    x = 19,678.15

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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.