Home / 119,625.12-165,077.55-68,602.41

Finding the Fourth Proportional to 119,625.12, 165,077.55 and 68,602.41

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Solution

The fourth proportional to 119,625.12, 165,077.55 and 68,602.41 is: 94,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,625.12 : 165,077.55 = 68,602.41 : x
  2. Step 2: Convert to fraction form
    119,625.12/165,077.55 = 68,602.41/x
  3. Step 3: Cross multiply
    119,625.12x = 165,077.55 × 68,602.41
  4. Step 4: Simplify right side
    119,625.12x = 11,324,717,766.90
  5. Step 5: Solve for x
    x = 11,324,717,766.90/119,625.12
  6. Step 6: Final answer
    x = 94,668.39

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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.