Home / 67,476.49-101,215.94-20,729.77

Finding the Fourth Proportional to 67,476.49, 101,215.94 and 20,729.77

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Solution

The fourth proportional to 67,476.49, 101,215.94 and 20,729.77 is: 31,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,476.49 : 101,215.94 = 20,729.77 : x
  2. Step 2: Convert to fraction form
    67,476.49/101,215.94 = 20,729.77/x
  3. Step 3: Cross multiply
    67,476.49x = 101,215.94 × 20,729.77
  4. Step 4: Simplify right side
    67,476.49x = 2,098,183,052.88
  5. Step 5: Solve for x
    x = 2,098,183,052.88/67,476.49
  6. Step 6: Final answer
    x = 31,095.02

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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.