Home / 69,220.97-103,826.27-21,837.62

Finding the Fourth Proportional to 69,220.97, 103,826.27 and 21,837.62

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Solution

The fourth proportional to 69,220.97, 103,826.27 and 21,837.62 is: 32,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220.97 : 103,826.27 = 21,837.62 : x
  2. Step 2: Convert to fraction form
    69,220.97/103,826.27 = 21,837.62/x
  3. Step 3: Cross multiply
    69,220.97x = 103,826.27 × 21,837.62
  4. Step 4: Simplify right side
    69,220.97x = 2,267,318,944.44
  5. Step 5: Solve for x
    x = 2,267,318,944.44/69,220.97
  6. Step 6: Final answer
    x = 32,754.80

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1.5x scale

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.