Home / 71,826.32-107,788.64-25,079.20

Finding the Fourth Proportional to 71,826.32, 107,788.64 and 25,079.20

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Solution

The fourth proportional to 71,826.32, 107,788.64 and 25,079.20 is: 37,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,826.32 : 107,788.64 = 25,079.20 : x
  2. Step 2: Convert to fraction form
    71,826.32/107,788.64 = 25,079.20/x
  3. Step 3: Cross multiply
    71,826.32x = 107,788.64 × 25,079.20
  4. Step 4: Simplify right side
    71,826.32x = 2,703,252,860.29
  5. Step 5: Solve for x
    x = 2,703,252,860.29/71,826.32
  6. Step 6: Final answer
    x = 37,635.96

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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.