Home / 67,631.60-101,469.04-28,192.88

Finding the Fourth Proportional to 67,631.60, 101,469.04 and 28,192.88

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Solution

The fourth proportional to 67,631.60, 101,469.04 and 28,192.88 is: 42,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,631.60 : 101,469.04 = 28,192.88 : x
  2. Step 2: Convert to fraction form
    67,631.60/101,469.04 = 28,192.88/x
  3. Step 3: Cross multiply
    67,631.60x = 101,469.04 × 28,192.88
  4. Step 4: Simplify right side
    67,631.60x = 2,860,704,468.44
  5. Step 5: Solve for x
    x = 2,860,704,468.44/67,631.60
  6. Step 6: Final answer
    x = 42,298.34

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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.