Home / 118,629.54-177,939.12-34,387.87

Finding the Fourth Proportional to 118,629.54, 177,939.12 and 34,387.87

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Solution

The fourth proportional to 118,629.54, 177,939.12 and 34,387.87 is: 51,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,629.54 : 177,939.12 = 34,387.87 : x
  2. Step 2: Convert to fraction form
    118,629.54/177,939.12 = 34,387.87/x
  3. Step 3: Cross multiply
    118,629.54x = 177,939.12 × 34,387.87
  4. Step 4: Simplify right side
    118,629.54x = 6,118,947,326.47
  5. Step 5: Solve for x
    x = 6,118,947,326.47/118,629.54
  6. Step 6: Final answer
    x = 51,580.30

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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.