Home / 67,400.10-101,063.70-27,961.20

Finding the Fourth Proportional to 67,400.10, 101,063.70 and 27,961.20

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Solution

The fourth proportional to 67,400.10, 101,063.70 and 27,961.20 is: 41,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.10 : 101,063.70 = 27,961.20 : x
  2. Step 2: Convert to fraction form
    67,400.10/101,063.70 = 27,961.20/x
  3. Step 3: Cross multiply
    67,400.10x = 101,063.70 × 27,961.20
  4. Step 4: Simplify right side
    67,400.10x = 2,825,862,328.44
  5. Step 5: Solve for x
    x = 2,825,862,328.44/67,400.10
  6. Step 6: Final answer
    x = 41,926.68

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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.