Home / 118,799.62-163,946.37-65,084.68

Finding the Fourth Proportional to 118,799.62, 163,946.37 and 65,084.68

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Solution

The fourth proportional to 118,799.62, 163,946.37 and 65,084.68 is: 89,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799.62 : 163,946.37 = 65,084.68 : x
  2. Step 2: Convert to fraction form
    118,799.62/163,946.37 = 65,084.68/x
  3. Step 3: Cross multiply
    118,799.62x = 163,946.37 × 65,084.68
  4. Step 4: Simplify right side
    118,799.62x = 10,670,397,028.61
  5. Step 5: Solve for x
    x = 10,670,397,028.61/118,799.62
  6. Step 6: Final answer
    x = 89,818.44

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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.