Home / 110,625.18-152,619.29-68,109.90

Finding the Fourth Proportional to 110,625.18, 152,619.29 and 68,109.90

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Solution

The fourth proportional to 110,625.18, 152,619.29 and 68,109.90 is: 93,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,625.18 : 152,619.29 = 68,109.90 : x
  2. Step 2: Convert to fraction form
    110,625.18/152,619.29 = 68,109.90/x
  3. Step 3: Cross multiply
    110,625.18x = 152,619.29 × 68,109.90
  4. Step 4: Simplify right side
    110,625.18x = 10,394,883,922.51
  5. Step 5: Solve for x
    x = 10,394,883,922.51/110,625.18
  6. Step 6: Final answer
    x = 93,964.90

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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.