Home / 67,135.29-92,644.21-36,920.30

Finding the Fourth Proportional to 67,135.29, 92,644.21 and 36,920.30

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Solution

The fourth proportional to 67,135.29, 92,644.21 and 36,920.30 is: 50,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,135.29 : 92,644.21 = 36,920.30 : x
  2. Step 2: Convert to fraction form
    67,135.29/92,644.21 = 36,920.30/x
  3. Step 3: Cross multiply
    67,135.29x = 92,644.21 × 36,920.30
  4. Step 4: Simplify right side
    67,135.29x = 3,420,451,841.86
  5. Step 5: Solve for x
    x = 3,420,451,841.86/67,135.29
  6. Step 6: Final answer
    x = 50,948.64

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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.