Home / 118,468.05-177,772.28-43,640.79

Finding the Fourth Proportional to 118,468.05, 177,772.28 and 43,640.79

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Solution

The fourth proportional to 118,468.05, 177,772.28 and 43,640.79 is: 65,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,468.05 : 177,772.28 = 43,640.79 : x
  2. Step 2: Convert to fraction form
    118,468.05/177,772.28 = 43,640.79/x
  3. Step 3: Cross multiply
    118,468.05x = 177,772.28 × 43,640.79
  4. Step 4: Simplify right side
    118,468.05x = 7,758,122,521.10
  5. Step 5: Solve for x
    x = 7,758,122,521.10/118,468.05
  6. Step 6: Final answer
    x = 65,487.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.