Home / 76,714.34-115,087.20-32,341.10

Finding the Fourth Proportional to 76,714.34, 115,087.20 and 32,341.10

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Solution

The fourth proportional to 76,714.34, 115,087.20 and 32,341.10 is: 48,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,714.34 : 115,087.20 = 32,341.10 : x
  2. Step 2: Convert to fraction form
    76,714.34/115,087.20 = 32,341.10/x
  3. Step 3: Cross multiply
    76,714.34x = 115,087.20 × 32,341.10
  4. Step 4: Simplify right side
    76,714.34x = 3,722,046,643.92
  5. Step 5: Solve for x
    x = 3,722,046,643.92/76,714.34
  6. Step 6: Final answer
    x = 48,518.26

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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.