Home / 42,122.25-63,183.06-17,156.43

Finding the Fourth Proportional to 42,122.25, 63,183.06 and 17,156.43

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Solution

The fourth proportional to 42,122.25, 63,183.06 and 17,156.43 is: 25,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.25 : 63,183.06 = 17,156.43 : x
  2. Step 2: Convert to fraction form
    42,122.25/63,183.06 = 17,156.43/x
  3. Step 3: Cross multiply
    42,122.25x = 63,183.06 × 17,156.43
  4. Step 4: Simplify right side
    42,122.25x = 1,083,995,746.08
  5. Step 5: Solve for x
    x = 1,083,995,746.08/42,122.25
  6. Step 6: Final answer
    x = 25,734.52

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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.