Home / 67,849.21-101,772.60-27,859.51

Finding the Fourth Proportional to 67,849.21, 101,772.60 and 27,859.51

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Solution

The fourth proportional to 67,849.21, 101,772.60 and 27,859.51 is: 41,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,849.21 : 101,772.60 = 27,859.51 : x
  2. Step 2: Convert to fraction form
    67,849.21/101,772.60 = 27,859.51/x
  3. Step 3: Cross multiply
    67,849.21x = 101,772.60 × 27,859.51
  4. Step 4: Simplify right side
    67,849.21x = 2,835,334,767.43
  5. Step 5: Solve for x
    x = 2,835,334,767.43/67,849.21
  6. Step 6: Final answer
    x = 41,788.77

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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.