Home / 45,311.89-67,980.09-32,247.20

Finding the Fourth Proportional to 45,311.89, 67,980.09 and 32,247.20

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Solution

The fourth proportional to 45,311.89, 67,980.09 and 32,247.20 is: 48,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311.89 : 67,980.09 = 32,247.20 : x
  2. Step 2: Convert to fraction form
    45,311.89/67,980.09 = 32,247.20/x
  3. Step 3: Cross multiply
    45,311.89x = 67,980.09 × 32,247.20
  4. Step 4: Simplify right side
    45,311.89x = 2,192,167,558.25
  5. Step 5: Solve for x
    x = 2,192,167,558.25/45,311.89
  6. Step 6: Final answer
    x = 48,379.52

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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.