Home / 67,936.86-101,919.87-28,471.23

Finding the Fourth Proportional to 67,936.86, 101,919.87 and 28,471.23

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Solution

The fourth proportional to 67,936.86, 101,919.87 and 28,471.23 is: 42,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,936.86 : 101,919.87 = 28,471.23 : x
  2. Step 2: Convert to fraction form
    67,936.86/101,919.87 = 28,471.23/x
  3. Step 3: Cross multiply
    67,936.86x = 101,919.87 × 28,471.23
  4. Step 4: Simplify right side
    67,936.86x = 2,901,784,060.34
  5. Step 5: Solve for x
    x = 2,901,784,060.34/67,936.86
  6. Step 6: Final answer
    x = 42,712.96

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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.