Home / 114,979.26-172,468.94-51,725.50

Finding the Fourth Proportional to 114,979.26, 172,468.94 and 51,725.50

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Solution

The fourth proportional to 114,979.26, 172,468.94 and 51,725.50 is: 77,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.26 : 172,468.94 = 51,725.50 : x
  2. Step 2: Convert to fraction form
    114,979.26/172,468.94 = 51,725.50/x
  3. Step 3: Cross multiply
    114,979.26x = 172,468.94 × 51,725.50
  4. Step 4: Simplify right side
    114,979.26x = 8,921,042,155.97
  5. Step 5: Solve for x
    x = 8,921,042,155.97/114,979.26
  6. Step 6: Final answer
    x = 77,588.27

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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.