Home / 99,918.87-149,873.29-36,734.16

Finding the Fourth Proportional to 99,918.87, 149,873.29 and 36,734.16

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Solution

The fourth proportional to 99,918.87, 149,873.29 and 36,734.16 is: 55,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,918.87 : 149,873.29 = 36,734.16 : x
  2. Step 2: Convert to fraction form
    99,918.87/149,873.29 = 36,734.16/x
  3. Step 3: Cross multiply
    99,918.87x = 149,873.29 × 36,734.16
  4. Step 4: Simplify right side
    99,918.87x = 5,505,469,041.74
  5. Step 5: Solve for x
    x = 5,505,469,041.74/99,918.87
  6. Step 6: Final answer
    x = 55,099.39

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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.