Home / 76,739.06-115,073.75-32,341.61

Finding the Fourth Proportional to 76,739.06, 115,073.75 and 32,341.61

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Solution

The fourth proportional to 76,739.06, 115,073.75 and 32,341.61 is: 48,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,739.06 : 115,073.75 = 32,341.61 : x
  2. Step 2: Convert to fraction form
    76,739.06/115,073.75 = 32,341.61/x
  3. Step 3: Cross multiply
    76,739.06x = 115,073.75 × 32,341.61
  4. Step 4: Simplify right side
    76,739.06x = 3,721,670,712.28
  5. Step 5: Solve for x
    x = 3,721,670,712.28/76,739.06
  6. Step 6: Final answer
    x = 48,497.73

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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.