Home / 42,127.54-63,173.73-17,150.63

Finding the Fourth Proportional to 42,127.54, 63,173.73 and 17,150.63

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Solution

The fourth proportional to 42,127.54, 63,173.73 and 17,150.63 is: 25,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.54 : 63,173.73 = 17,150.63 : x
  2. Step 2: Convert to fraction form
    42,127.54/63,173.73 = 17,150.63/x
  3. Step 3: Cross multiply
    42,127.54x = 63,173.73 × 17,150.63
  4. Step 4: Simplify right side
    42,127.54x = 1,083,469,017.40
  5. Step 5: Solve for x
    x = 1,083,469,017.40/42,127.54
  6. Step 6: Final answer
    x = 25,718.78

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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.