Home / 54,782.46-82,182.78-19,234.55

Finding the Fourth Proportional to 54,782.46, 82,182.78 and 19,234.55

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Solution

The fourth proportional to 54,782.46, 82,182.78 and 19,234.55 is: 28,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.46 : 82,182.78 = 19,234.55 : x
  2. Step 2: Convert to fraction form
    54,782.46/82,182.78 = 19,234.55/x
  3. Step 3: Cross multiply
    54,782.46x = 82,182.78 × 19,234.55
  4. Step 4: Simplify right side
    54,782.46x = 1,580,748,996.51
  5. Step 5: Solve for x
    x = 1,580,748,996.51/54,782.46
  6. Step 6: Final answer
    x = 28,855.02

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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.