Home / 67,138.55-92,649.35-36,923.86

Finding the Fourth Proportional to 67,138.55, 92,649.35 and 36,923.86

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Solution

The fourth proportional to 67,138.55, 92,649.35 and 36,923.86 is: 50,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.55 : 92,649.35 = 36,923.86 : x
  2. Step 2: Convert to fraction form
    67,138.55/92,649.35 = 36,923.86/x
  3. Step 3: Cross multiply
    67,138.55x = 92,649.35 × 36,923.86
  4. Step 4: Simplify right side
    67,138.55x = 3,420,971,628.49
  5. Step 5: Solve for x
    x = 3,420,971,628.49/67,138.55
  6. Step 6: Final answer
    x = 50,953.91

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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.