Home / 48,939.10-73,408.65-17,770.30

Finding the Fourth Proportional to 48,939.10, 73,408.65 and 17,770.30

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Solution

The fourth proportional to 48,939.10, 73,408.65 and 17,770.30 is: 26,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.10 : 73,408.65 = 17,770.30 : x
  2. Step 2: Convert to fraction form
    48,939.10/73,408.65 = 17,770.30/x
  3. Step 3: Cross multiply
    48,939.10x = 73,408.65 × 17,770.30
  4. Step 4: Simplify right side
    48,939.10x = 1,304,493,733.10
  5. Step 5: Solve for x
    x = 1,304,493,733.10/48,939.10
  6. Step 6: Final answer
    x = 26,655.45

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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.