Home / 67,134.43-92,638.34-38,834.83

Finding the Fourth Proportional to 67,134.43, 92,638.34 and 38,834.83

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Solution

The fourth proportional to 67,134.43, 92,638.34 and 38,834.83 is: 53,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.43 : 92,638.34 = 38,834.83 : x
  2. Step 2: Convert to fraction form
    67,134.43/92,638.34 = 38,834.83/x
  3. Step 3: Cross multiply
    67,134.43x = 92,638.34 × 38,834.83
  4. Step 4: Simplify right side
    67,134.43x = 3,597,593,991.21
  5. Step 5: Solve for x
    x = 3,597,593,991.21/67,134.43
  6. Step 6: Final answer
    x = 53,587.91

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1.5x scale

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.