Home / 67,916.36-101,914.20-28,470.44

Finding the Fourth Proportional to 67,916.36, 101,914.20 and 28,470.44

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Solution

The fourth proportional to 67,916.36, 101,914.20 and 28,470.44 is: 42,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,916.36 : 101,914.20 = 28,470.44 : x
  2. Step 2: Convert to fraction form
    67,916.36/101,914.20 = 28,470.44/x
  3. Step 3: Cross multiply
    67,916.36x = 101,914.20 × 28,470.44
  4. Step 4: Simplify right side
    67,916.36x = 2,901,542,116.25
  5. Step 5: Solve for x
    x = 2,901,542,116.25/67,916.36
  6. Step 6: Final answer
    x = 42,722.29

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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.