Home / 71,788.12-107,699.22-22,540.12

Finding the Fourth Proportional to 71,788.12, 107,699.22 and 22,540.12

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Solution

The fourth proportional to 71,788.12, 107,699.22 and 22,540.12 is: 33,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,788.12 : 107,699.22 = 22,540.12 : x
  2. Step 2: Convert to fraction form
    71,788.12/107,699.22 = 22,540.12/x
  3. Step 3: Cross multiply
    71,788.12x = 107,699.22 × 22,540.12
  4. Step 4: Simplify right side
    71,788.12x = 2,427,553,342.71
  5. Step 5: Solve for x
    x = 2,427,553,342.71/71,788.12
  6. Step 6: Final answer
    x = 33,815.53

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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.