Home / 66,338.43-91,545.19-36,123.09

Finding the Fourth Proportional to 66,338.43, 91,545.19 and 36,123.09

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Solution

The fourth proportional to 66,338.43, 91,545.19 and 36,123.09 is: 49,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.43 : 91,545.19 = 36,123.09 : x
  2. Step 2: Convert to fraction form
    66,338.43/91,545.19 = 36,123.09/x
  3. Step 3: Cross multiply
    66,338.43x = 91,545.19 × 36,123.09
  4. Step 4: Simplify right side
    66,338.43x = 3,306,895,137.44
  5. Step 5: Solve for x
    x = 3,306,895,137.44/66,338.43
  6. Step 6: Final answer
    x = 49,848.86

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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.