Home / 67,884.72-101,826.96-38,289.12

Finding the Fourth Proportional to 67,884.72, 101,826.96 and 38,289.12

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Solution

The fourth proportional to 67,884.72, 101,826.96 and 38,289.12 is: 57,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884.72 : 101,826.96 = 38,289.12 : x
  2. Step 2: Convert to fraction form
    67,884.72/101,826.96 = 38,289.12/x
  3. Step 3: Cross multiply
    67,884.72x = 101,826.96 × 38,289.12
  4. Step 4: Simplify right side
    67,884.72x = 3,898,864,690.68
  5. Step 5: Solve for x
    x = 3,898,864,690.68/67,884.72
  6. Step 6: Final answer
    x = 57,433.61

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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.