Home / 55,180.10-82,712.55-30,181.70

Finding the Fourth Proportional to 55,180.10, 82,712.55 and 30,181.70

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Solution

The fourth proportional to 55,180.10, 82,712.55 and 30,181.70 is: 45,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.10 : 82,712.55 = 30,181.70 : x
  2. Step 2: Convert to fraction form
    55,180.10/82,712.55 = 30,181.70/x
  3. Step 3: Cross multiply
    55,180.10x = 82,712.55 × 30,181.70
  4. Step 4: Simplify right side
    55,180.10x = 2,496,405,370.34
  5. Step 5: Solve for x
    x = 2,496,405,370.34/55,180.10
  6. Step 6: Final answer
    x = 45,241.04

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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.