Home / 54,429.72-81,566.68-31,007.76

Finding the Fourth Proportional to 54,429.72, 81,566.68 and 31,007.76

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Solution

The fourth proportional to 54,429.72, 81,566.68 and 31,007.76 is: 46,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.72 : 81,566.68 = 31,007.76 : x
  2. Step 2: Convert to fraction form
    54,429.72/81,566.68 = 31,007.76/x
  3. Step 3: Cross multiply
    54,429.72x = 81,566.68 × 31,007.76
  4. Step 4: Simplify right side
    54,429.72x = 2,529,200,037.44
  5. Step 5: Solve for x
    x = 2,529,200,037.44/54,429.72
  6. Step 6: Final answer
    x = 46,467.26

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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.