Home / 66,771.10-92,145.20-36,555.91

Finding the Fourth Proportional to 66,771.10, 92,145.20 and 36,555.91

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Solution

The fourth proportional to 66,771.10, 92,145.20 and 36,555.91 is: 50,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.10 : 92,145.20 = 36,555.91 : x
  2. Step 2: Convert to fraction form
    66,771.10/92,145.20 = 36,555.91/x
  3. Step 3: Cross multiply
    66,771.10x = 92,145.20 × 36,555.91
  4. Step 4: Simplify right side
    66,771.10x = 3,368,451,224.99
  5. Step 5: Solve for x
    x = 3,368,451,224.99/66,771.10
  6. Step 6: Final answer
    x = 50,447.74

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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.