Home / 66,779.24-100,171.96-37,174.75

Finding the Fourth Proportional to 66,779.24, 100,171.96 and 37,174.75

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Solution

The fourth proportional to 66,779.24, 100,171.96 and 37,174.75 is: 55,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,779.24 : 100,171.96 = 37,174.75 : x
  2. Step 2: Convert to fraction form
    66,779.24/100,171.96 = 37,174.75/x
  3. Step 3: Cross multiply
    66,779.24x = 100,171.96 × 37,174.75
  4. Step 4: Simplify right side
    66,779.24x = 3,723,867,226.64
  5. Step 5: Solve for x
    x = 3,723,867,226.64/66,779.24
  6. Step 6: Final answer
    x = 55,763.85

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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.