Home / 42,160.51-63,234.37-15,859.09

Finding the Fourth Proportional to 42,160.51, 63,234.37 and 15,859.09

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Solution

The fourth proportional to 42,160.51, 63,234.37 and 15,859.09 is: 23,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160.51 : 63,234.37 = 15,859.09 : x
  2. Step 2: Convert to fraction form
    42,160.51/63,234.37 = 15,859.09/x
  3. Step 3: Cross multiply
    42,160.51x = 63,234.37 × 15,859.09
  4. Step 4: Simplify right side
    42,160.51x = 1,002,839,564.92
  5. Step 5: Solve for x
    x = 1,002,839,564.92/42,160.51
  6. Step 6: Final answer
    x = 23,786.23

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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.