Home / 67,320.05-92,896.20-39,027.56

Finding the Fourth Proportional to 67,320.05, 92,896.20 and 39,027.56

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Solution

The fourth proportional to 67,320.05, 92,896.20 and 39,027.56 is: 53,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,320.05 : 92,896.20 = 39,027.56 : x
  2. Step 2: Convert to fraction form
    67,320.05/92,896.20 = 39,027.56/x
  3. Step 3: Cross multiply
    67,320.05x = 92,896.20 × 39,027.56
  4. Step 4: Simplify right side
    67,320.05x = 3,625,511,554.79
  5. Step 5: Solve for x
    x = 3,625,511,554.79/67,320.05
  6. Step 6: Final answer
    x = 53,854.86

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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.