Home / 124,949.52-172,423.49-68,357.25

Finding the Fourth Proportional to 124,949.52, 172,423.49 and 68,357.25

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Solution

The fourth proportional to 124,949.52, 172,423.49 and 68,357.25 is: 94,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,949.52 : 172,423.49 = 68,357.25 : x
  2. Step 2: Convert to fraction form
    124,949.52/172,423.49 = 68,357.25/x
  3. Step 3: Cross multiply
    124,949.52x = 172,423.49 × 68,357.25
  4. Step 4: Simplify right side
    124,949.52x = 11,786,395,270.02
  5. Step 5: Solve for x
    x = 11,786,395,270.02/124,949.52
  6. Step 6: Final answer
    x = 94,329.26

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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.