Home / 55,180.24-82,761.99-20,119.93

Finding the Fourth Proportional to 55,180.24, 82,761.99 and 20,119.93

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Solution

The fourth proportional to 55,180.24, 82,761.99 and 20,119.93 is: 30,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.24 : 82,761.99 = 20,119.93 : x
  2. Step 2: Convert to fraction form
    55,180.24/82,761.99 = 20,119.93/x
  3. Step 3: Cross multiply
    55,180.24x = 82,761.99 × 20,119.93
  4. Step 4: Simplify right side
    55,180.24x = 1,665,165,445.46
  5. Step 5: Solve for x
    x = 1,665,165,445.46/55,180.24
  6. Step 6: Final answer
    x = 30,176.84

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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.