Home / 55,408.20-82,995.30-36,697.20

Finding the Fourth Proportional to 55,408.20, 82,995.30 and 36,697.20

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Solution

The fourth proportional to 55,408.20, 82,995.30 and 36,697.20 is: 54,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408.20 : 82,995.30 = 36,697.20 : x
  2. Step 2: Convert to fraction form
    55,408.20/82,995.30 = 36,697.20/x
  3. Step 3: Cross multiply
    55,408.20x = 82,995.30 × 36,697.20
  4. Step 4: Simplify right side
    55,408.20x = 3,045,695,123.16
  5. Step 5: Solve for x
    x = 3,045,695,123.16/55,408.20
  6. Step 6: Final answer
    x = 54,968.31

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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.