Home / 67,122.24-92,631.07-36,909.86

Finding the Fourth Proportional to 67,122.24, 92,631.07 and 36,909.86

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Solution

The fourth proportional to 67,122.24, 92,631.07 and 36,909.86 is: 50,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.24 : 92,631.07 = 36,909.86 : x
  2. Step 2: Convert to fraction form
    67,122.24/92,631.07 = 36,909.86/x
  3. Step 3: Cross multiply
    67,122.24x = 92,631.07 × 36,909.86
  4. Step 4: Simplify right side
    67,122.24x = 3,418,999,825.35
  5. Step 5: Solve for x
    x = 3,418,999,825.35/67,122.24
  6. Step 6: Final answer
    x = 50,936.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.