Home / 67,914.36-101,911.20-28,468.44

Finding the Fourth Proportional to 67,914.36, 101,911.20 and 28,468.44

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Solution

The fourth proportional to 67,914.36, 101,911.20 and 28,468.44 is: 42,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,914.36 : 101,911.20 = 28,468.44 : x
  2. Step 2: Convert to fraction form
    67,914.36/101,911.20 = 28,468.44/x
  3. Step 3: Cross multiply
    67,914.36x = 101,911.20 × 28,468.44
  4. Step 4: Simplify right side
    67,914.36x = 2,901,252,882.53
  5. Step 5: Solve for x
    x = 2,901,252,882.53/67,914.36
  6. Step 6: Final answer
    x = 42,719.28

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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.