Home / 118,769.52-163,861.26-67,745.58

Finding the Fourth Proportional to 118,769.52, 163,861.26 and 67,745.58

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Solution

The fourth proportional to 118,769.52, 163,861.26 and 67,745.58 is: 93,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,769.52 : 163,861.26 = 67,745.58 : x
  2. Step 2: Convert to fraction form
    118,769.52/163,861.26 = 67,745.58/x
  3. Step 3: Cross multiply
    118,769.52x = 163,861.26 × 67,745.58
  4. Step 4: Simplify right side
    118,769.52x = 11,100,876,098.23
  5. Step 5: Solve for x
    x = 11,100,876,098.23/118,769.52
  6. Step 6: Final answer
    x = 93,465.70

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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.