Home / 54,560.20-81,788.22-31,141.48

Finding the Fourth Proportional to 54,560.20, 81,788.22 and 31,141.48

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Solution

The fourth proportional to 54,560.20, 81,788.22 and 31,141.48 is: 46,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.20 : 81,788.22 = 31,141.48 : x
  2. Step 2: Convert to fraction form
    54,560.20/81,788.22 = 31,141.48/x
  3. Step 3: Cross multiply
    54,560.20x = 81,788.22 × 31,141.48
  4. Step 4: Simplify right side
    54,560.20x = 2,547,006,217.37
  5. Step 5: Solve for x
    x = 2,547,006,217.37/54,560.20
  6. Step 6: Final answer
    x = 46,682.49

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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.