Home / 67,131.48-92,643.85-36,919.14

Finding the Fourth Proportional to 67,131.48, 92,643.85 and 36,919.14

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Solution

The fourth proportional to 67,131.48, 92,643.85 and 36,919.14 is: 50,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.48 : 92,643.85 = 36,919.14 : x
  2. Step 2: Convert to fraction form
    67,131.48/92,643.85 = 36,919.14/x
  3. Step 3: Cross multiply
    67,131.48x = 92,643.85 × 36,919.14
  4. Step 4: Simplify right side
    67,131.48x = 3,420,331,488.15
  5. Step 5: Solve for x
    x = 3,420,331,488.15/67,131.48
  6. Step 6: Final answer
    x = 50,949.74

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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.