Home / 42,799.14-64,198.52-11,634.30

Finding the Fourth Proportional to 42,799.14, 64,198.52 and 11,634.30

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Solution

The fourth proportional to 42,799.14, 64,198.52 and 11,634.30 is: 17,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.14 : 64,198.52 = 11,634.30 : x
  2. Step 2: Convert to fraction form
    42,799.14/64,198.52 = 11,634.30/x
  3. Step 3: Cross multiply
    42,799.14x = 64,198.52 × 11,634.30
  4. Step 4: Simplify right side
    42,799.14x = 746,904,841.24
  5. Step 5: Solve for x
    x = 746,904,841.24/42,799.14
  6. Step 6: Final answer
    x = 17,451.40

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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.