Home / 79,555.49-109,759.25-49,329.93

Finding the Fourth Proportional to 79,555.49, 109,759.25 and 49,329.93

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Solution

The fourth proportional to 79,555.49, 109,759.25 and 49,329.93 is: 68,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.49 : 109,759.25 = 49,329.93 : x
  2. Step 2: Convert to fraction form
    79,555.49/109,759.25 = 49,329.93/x
  3. Step 3: Cross multiply
    79,555.49x = 109,759.25 × 49,329.93
  4. Step 4: Simplify right side
    79,555.49x = 5,414,415,872.70
  5. Step 5: Solve for x
    x = 5,414,415,872.70/79,555.49
  6. Step 6: Final answer
    x = 68,058.36

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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.