Home / 45,992.20-68,934.30-45,499.72

Finding the Fourth Proportional to 45,992.20, 68,934.30 and 45,499.72

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Solution

The fourth proportional to 45,992.20, 68,934.30 and 45,499.72 is: 68,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.20 : 68,934.30 = 45,499.72 : x
  2. Step 2: Convert to fraction form
    45,992.20/68,934.30 = 45,499.72/x
  3. Step 3: Cross multiply
    45,992.20x = 68,934.30 × 45,499.72
  4. Step 4: Simplify right side
    45,992.20x = 3,136,491,348.40
  5. Step 5: Solve for x
    x = 3,136,491,348.40/45,992.20
  6. Step 6: Final answer
    x = 68,196.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.