Home / 67,421.10-101,095.20-27,982.20

Finding the Fourth Proportional to 67,421.10, 101,095.20 and 27,982.20

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Solution

The fourth proportional to 67,421.10, 101,095.20 and 27,982.20 is: 41,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.10 : 101,095.20 = 27,982.20 : x
  2. Step 2: Convert to fraction form
    67,421.10/101,095.20 = 27,982.20/x
  3. Step 3: Cross multiply
    67,421.10x = 101,095.20 × 27,982.20
  4. Step 4: Simplify right side
    67,421.10x = 2,828,866,105.44
  5. Step 5: Solve for x
    x = 2,828,866,105.44/67,421.10
  6. Step 6: Final answer
    x = 41,958.17

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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.