Home / 54,714.24-82,129.68-52,731.36

Finding the Fourth Proportional to 54,714.24, 82,129.68 and 52,731.36

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Solution

The fourth proportional to 54,714.24, 82,129.68 and 52,731.36 is: 79,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,714.24 : 82,129.68 = 52,731.36 : x
  2. Step 2: Convert to fraction form
    54,714.24/82,129.68 = 52,731.36/x
  3. Step 3: Cross multiply
    54,714.24x = 82,129.68 × 52,731.36
  4. Step 4: Simplify right side
    54,714.24x = 4,330,809,722.76
  5. Step 5: Solve for x
    x = 4,330,809,722.76/54,714.24
  6. Step 6: Final answer
    x = 79,153.25

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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.