Home / 67,426.22-101,108.05-39,354.36

Finding the Fourth Proportional to 67,426.22, 101,108.05 and 39,354.36

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Solution

The fourth proportional to 67,426.22, 101,108.05 and 39,354.36 is: 59,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.22 : 101,108.05 = 39,354.36 : x
  2. Step 2: Convert to fraction form
    67,426.22/101,108.05 = 39,354.36/x
  3. Step 3: Cross multiply
    67,426.22x = 101,108.05 × 39,354.36
  4. Step 4: Simplify right side
    67,426.22x = 3,979,042,121.06
  5. Step 5: Solve for x
    x = 3,979,042,121.06/67,426.22
  6. Step 6: Final answer
    x = 59,013.27

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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.