Home / 104,975.69-144,867.44-57,229.98

Finding the Fourth Proportional to 104,975.69, 144,867.44 and 57,229.98

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Solution

The fourth proportional to 104,975.69, 144,867.44 and 57,229.98 is: 78,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975.69 : 144,867.44 = 57,229.98 : x
  2. Step 2: Convert to fraction form
    104,975.69/144,867.44 = 57,229.98/x
  3. Step 3: Cross multiply
    104,975.69x = 144,867.44 × 57,229.98
  4. Step 4: Simplify right side
    104,975.69x = 8,290,760,407.70
  5. Step 5: Solve for x
    x = 8,290,760,407.70/104,975.69
  6. Step 6: Final answer
    x = 78,977.91

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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.