Home / 66,514.74-91,787.49-36,299.31

Finding the Fourth Proportional to 66,514.74, 91,787.49 and 36,299.31

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Solution

The fourth proportional to 66,514.74, 91,787.49 and 36,299.31 is: 50,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.74 : 91,787.49 = 36,299.31 : x
  2. Step 2: Convert to fraction form
    66,514.74/91,787.49 = 36,299.31/x
  3. Step 3: Cross multiply
    66,514.74x = 91,787.49 × 36,299.31
  4. Step 4: Simplify right side
    66,514.74x = 3,331,822,553.63
  5. Step 5: Solve for x
    x = 3,331,822,553.63/66,514.74
  6. Step 6: Final answer
    x = 50,091.49

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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.