Home / 49,082.31-67,731.26-27,858.69

Finding the Fourth Proportional to 49,082.31, 67,731.26 and 27,858.69

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Solution

The fourth proportional to 49,082.31, 67,731.26 and 27,858.69 is: 38,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,082.31 : 67,731.26 = 27,858.69 : x
  2. Step 2: Convert to fraction form
    49,082.31/67,731.26 = 27,858.69/x
  3. Step 3: Cross multiply
    49,082.31x = 67,731.26 × 27,858.69
  4. Step 4: Simplify right side
    49,082.31x = 1,886,904,036.36
  5. Step 5: Solve for x
    x = 1,886,904,036.36/49,082.31
  6. Step 6: Final answer
    x = 38,443.67

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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.