Home / 89,049.87-133,623.99-49,629.20

Finding the Fourth Proportional to 89,049.87, 133,623.99 and 49,629.20

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Solution

The fourth proportional to 89,049.87, 133,623.99 and 49,629.20 is: 74,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.87 : 133,623.99 = 49,629.20 : x
  2. Step 2: Convert to fraction form
    89,049.87/133,623.99 = 49,629.20/x
  3. Step 3: Cross multiply
    89,049.87x = 133,623.99 × 49,629.20
  4. Step 4: Simplify right side
    89,049.87x = 6,631,651,056.39
  5. Step 5: Solve for x
    x = 6,631,651,056.39/89,049.87
  6. Step 6: Final answer
    x = 74,471.20

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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.