Home / 76,714.35-115,078.02-23,418.27

Finding the Fourth Proportional to 76,714.35, 115,078.02 and 23,418.27

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Solution

The fourth proportional to 76,714.35, 115,078.02 and 23,418.27 is: 35,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,714.35 : 115,078.02 = 23,418.27 : x
  2. Step 2: Convert to fraction form
    76,714.35/115,078.02 = 23,418.27/x
  3. Step 3: Cross multiply
    76,714.35x = 115,078.02 × 23,418.27
  4. Step 4: Simplify right side
    76,714.35x = 2,694,928,055.61
  5. Step 5: Solve for x
    x = 2,694,928,055.61/76,714.35
  6. Step 6: Final answer
    x = 35,129.39

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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.