Home / 67,788.45-101,673.99-17,872.47

Finding the Fourth Proportional to 67,788.45, 101,673.99 and 17,872.47

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Solution

The fourth proportional to 67,788.45, 101,673.99 and 17,872.47 is: 26,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,788.45 : 101,673.99 = 17,872.47 : x
  2. Step 2: Convert to fraction form
    67,788.45/101,673.99 = 17,872.47/x
  3. Step 3: Cross multiply
    67,788.45x = 101,673.99 × 17,872.47
  4. Step 4: Simplify right side
    67,788.45x = 1,817,165,336.06
  5. Step 5: Solve for x
    x = 1,817,165,336.06/67,788.45
  6. Step 6: Final answer
    x = 26,806.42

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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.