Home / 41,855.20-57,680.64-41,086.72

Finding the Fourth Proportional to 41,855.20, 57,680.64 and 41,086.72

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Solution

The fourth proportional to 41,855.20, 57,680.64 and 41,086.72 is: 56,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.20 : 57,680.64 = 41,086.72 : x
  2. Step 2: Convert to fraction form
    41,855.20/57,680.64 = 41,086.72/x
  3. Step 3: Cross multiply
    41,855.20x = 57,680.64 × 41,086.72
  4. Step 4: Simplify right side
    41,855.20x = 2,369,908,305.10
  5. Step 5: Solve for x
    x = 2,369,908,305.10/41,855.20
  6. Step 6: Final answer
    x = 56,621.60

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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.