Home / 76,991.40-115,494.66-32,003.46

Finding the Fourth Proportional to 76,991.40, 115,494.66 and 32,003.46

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Solution

The fourth proportional to 76,991.40, 115,494.66 and 32,003.46 is: 48,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,991.40 : 115,494.66 = 32,003.46 : x
  2. Step 2: Convert to fraction form
    76,991.40/115,494.66 = 32,003.46/x
  3. Step 3: Cross multiply
    76,991.40x = 115,494.66 × 32,003.46
  4. Step 4: Simplify right side
    76,991.40x = 3,696,228,731.52
  5. Step 5: Solve for x
    x = 3,696,228,731.52/76,991.40
  6. Step 6: Final answer
    x = 48,008.33

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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.