Home / 52,491.48-78,714.12-19,202.91

Finding the Fourth Proportional to 52,491.48, 78,714.12 and 19,202.91

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Solution

The fourth proportional to 52,491.48, 78,714.12 and 19,202.91 is: 28,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.48 : 78,714.12 = 19,202.91 : x
  2. Step 2: Convert to fraction form
    52,491.48/78,714.12 = 19,202.91/x
  3. Step 3: Cross multiply
    52,491.48x = 78,714.12 × 19,202.91
  4. Step 4: Simplify right side
    52,491.48x = 1,511,540,162.09
  5. Step 5: Solve for x
    x = 1,511,540,162.09/52,491.48
  6. Step 6: Final answer
    x = 28,795.91

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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.