Home / 45,309.89-67,977.09-32,245.20

Finding the Fourth Proportional to 45,309.89, 67,977.09 and 32,245.20

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Solution

The fourth proportional to 45,309.89, 67,977.09 and 32,245.20 is: 48,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.89 : 67,977.09 = 32,245.20 : x
  2. Step 2: Convert to fraction form
    45,309.89/67,977.09 = 32,245.20/x
  3. Step 3: Cross multiply
    45,309.89x = 67,977.09 × 32,245.20
  4. Step 4: Simplify right side
    45,309.89x = 2,191,934,862.47
  5. Step 5: Solve for x
    x = 2,191,934,862.47/45,309.89
  6. Step 6: Final answer
    x = 48,376.52

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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.