Home / 76,917.60-115,388.28-32,544.60

Finding the Fourth Proportional to 76,917.60, 115,388.28 and 32,544.60

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Solution

The fourth proportional to 76,917.60, 115,388.28 and 32,544.60 is: 48,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917.60 : 115,388.28 = 32,544.60 : x
  2. Step 2: Convert to fraction form
    76,917.60/115,388.28 = 32,544.60/x
  3. Step 3: Cross multiply
    76,917.60x = 115,388.28 × 32,544.60
  4. Step 4: Simplify right side
    76,917.60x = 3,755,265,417.29
  5. Step 5: Solve for x
    x = 3,755,265,417.29/76,917.60
  6. Step 6: Final answer
    x = 48,821.93

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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.