Home / 54,747.90-82,216.62-52,254.72

Finding the Fourth Proportional to 54,747.90, 82,216.62 and 52,254.72

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Solution

The fourth proportional to 54,747.90, 82,216.62 and 52,254.72 is: 78,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.90 : 82,216.62 = 52,254.72 : x
  2. Step 2: Convert to fraction form
    54,747.90/82,216.62 = 52,254.72/x
  3. Step 3: Cross multiply
    54,747.90x = 82,216.62 × 52,254.72
  4. Step 4: Simplify right side
    54,747.90x = 4,296,206,457.45
  5. Step 5: Solve for x
    x = 4,296,206,457.45/54,747.90
  6. Step 6: Final answer
    x = 78,472.53

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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.