Home / 89,979.48-124,172.62-49,694.27

Finding the Fourth Proportional to 89,979.48, 124,172.62 and 49,694.27

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Solution

The fourth proportional to 89,979.48, 124,172.62 and 49,694.27 is: 68,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,979.48 : 124,172.62 = 49,694.27 : x
  2. Step 2: Convert to fraction form
    89,979.48/124,172.62 = 49,694.27/x
  3. Step 3: Cross multiply
    89,979.48x = 124,172.62 × 49,694.27
  4. Step 4: Simplify right side
    89,979.48x = 6,170,666,959.79
  5. Step 5: Solve for x
    x = 6,170,666,959.79/89,979.48
  6. Step 6: Final answer
    x = 68,578.60

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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.