Home / 89,786.70-123,878.19-52,053.42

Finding the Fourth Proportional to 89,786.70, 123,878.19 and 52,053.42

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Solution

The fourth proportional to 89,786.70, 123,878.19 and 52,053.42 is: 71,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786.70 : 123,878.19 = 52,053.42 : x
  2. Step 2: Convert to fraction form
    89,786.70/123,878.19 = 52,053.42/x
  3. Step 3: Cross multiply
    89,786.70x = 123,878.19 × 52,053.42
  4. Step 4: Simplify right side
    89,786.70x = 6,448,283,452.91
  5. Step 5: Solve for x
    x = 6,448,283,452.91/89,786.70
  6. Step 6: Final answer
    x = 71,817.80

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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.