Home / 48,719.20-72,949.20-31,093.60

Finding the Fourth Proportional to 48,719.20, 72,949.20 and 31,093.60

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Solution

The fourth proportional to 48,719.20, 72,949.20 and 31,093.60 is: 46,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.20 : 72,949.20 = 31,093.60 : x
  2. Step 2: Convert to fraction form
    48,719.20/72,949.20 = 31,093.60/x
  3. Step 3: Cross multiply
    48,719.20x = 72,949.20 × 31,093.60
  4. Step 4: Simplify right side
    48,719.20x = 2,268,253,245.12
  5. Step 5: Solve for x
    x = 2,268,253,245.12/48,719.20
  6. Step 6: Final answer
    x = 46,557.69

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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.