Home / 67,546.17-101,320.65-20,799

Finding the Fourth Proportional to 67,546.17, 101,320.65 and 20,799

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Solution

The fourth proportional to 67,546.17, 101,320.65 and 20,799 is: 31,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,546.17 : 101,320.65 = 20,799 : x
  2. Step 2: Convert to fraction form
    67,546.17/101,320.65 = 20,799/x
  3. Step 3: Cross multiply
    67,546.17x = 101,320.65 × 20,799
  4. Step 4: Simplify right side
    67,546.17x = 2,107,368,199.35
  5. Step 5: Solve for x
    x = 2,107,368,199.35/67,546.17
  6. Step 6: Final answer
    x = 31,198.93

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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.