Home / 89,940.49-124,114.62-49,653.39

Finding the Fourth Proportional to 89,940.49, 124,114.62 and 49,653.39

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Solution

The fourth proportional to 89,940.49, 124,114.62 and 49,653.39 is: 68,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.49 : 124,114.62 = 49,653.39 : x
  2. Step 2: Convert to fraction form
    89,940.49/124,114.62 = 49,653.39/x
  3. Step 3: Cross multiply
    89,940.49x = 124,114.62 × 49,653.39
  4. Step 4: Simplify right side
    89,940.49x = 6,162,711,631.56
  5. Step 5: Solve for x
    x = 6,162,711,631.56/89,940.49
  6. Step 6: Final answer
    x = 68,519.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.