Home / 118,766.50-163,892.97-71,046.22

Finding the Fourth Proportional to 118,766.50, 163,892.97 and 71,046.22

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Solution

The fourth proportional to 118,766.50, 163,892.97 and 71,046.22 is: 98,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766.50 : 163,892.97 = 71,046.22 : x
  2. Step 2: Convert to fraction form
    118,766.50/163,892.97 = 71,046.22/x
  3. Step 3: Cross multiply
    118,766.50x = 163,892.97 × 71,046.22
  4. Step 4: Simplify right side
    118,766.50x = 11,643,976,003.07
  5. Step 5: Solve for x
    x = 11,643,976,003.07/118,766.50
  6. Step 6: Final answer
    x = 98,040.91

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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.