Home / 76,922.40-115,297.20-32,541.60

Finding the Fourth Proportional to 76,922.40, 115,297.20 and 32,541.60

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Solution

The fourth proportional to 76,922.40, 115,297.20 and 32,541.60 is: 48,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.40 : 115,297.20 = 32,541.60 : x
  2. Step 2: Convert to fraction form
    76,922.40/115,297.20 = 32,541.60/x
  3. Step 3: Cross multiply
    76,922.40x = 115,297.20 × 32,541.60
  4. Step 4: Simplify right side
    76,922.40x = 3,751,955,363.52
  5. Step 5: Solve for x
    x = 3,751,955,363.52/76,922.40
  6. Step 6: Final answer
    x = 48,775.85

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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.