Home / 67,418.50-101,089.78-22,415.71

Finding the Fourth Proportional to 67,418.50, 101,089.78 and 22,415.71

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Solution

The fourth proportional to 67,418.50, 101,089.78 and 22,415.71 is: 33,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,418.50 : 101,089.78 = 22,415.71 : x
  2. Step 2: Convert to fraction form
    67,418.50/101,089.78 = 22,415.71/x
  3. Step 3: Cross multiply
    67,418.50x = 101,089.78 × 22,415.71
  4. Step 4: Simplify right side
    67,418.50x = 2,265,999,192.44
  5. Step 5: Solve for x
    x = 2,265,999,192.44/67,418.50
  6. Step 6: Final answer
    x = 33,610.94

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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.