Home / 99,944.40-149,974.20-37,659.60

Finding the Fourth Proportional to 99,944.40, 149,974.20 and 37,659.60

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Solution

The fourth proportional to 99,944.40, 149,974.20 and 37,659.60 is: 56,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.40 : 149,974.20 = 37,659.60 : x
  2. Step 2: Convert to fraction form
    99,944.40/149,974.20 = 37,659.60/x
  3. Step 3: Cross multiply
    99,944.40x = 149,974.20 × 37,659.60
  4. Step 4: Simplify right side
    99,944.40x = 5,647,968,382.32
  5. Step 5: Solve for x
    x = 5,647,968,382.32/99,944.40
  6. Step 6: Final answer
    x = 56,511.10

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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.