Home / 76,285.20-114,530.40-44,727.60

Finding the Fourth Proportional to 76,285.20, 114,530.40 and 44,727.60

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Solution

The fourth proportional to 76,285.20, 114,530.40 and 44,727.60 is: 67,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.20 : 114,530.40 = 44,727.60 : x
  2. Step 2: Convert to fraction form
    76,285.20/114,530.40 = 44,727.60/x
  3. Step 3: Cross multiply
    76,285.20x = 114,530.40 × 44,727.60
  4. Step 4: Simplify right side
    76,285.20x = 5,122,669,919.04
  5. Step 5: Solve for x
    x = 5,122,669,919.04/76,285.20
  6. Step 6: Final answer
    x = 67,151.56

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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.