Home / 124,843.50-172,284.03-68,255.28

Finding the Fourth Proportional to 124,843.50, 172,284.03 and 68,255.28

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Solution

The fourth proportional to 124,843.50, 172,284.03 and 68,255.28 is: 94,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.50 : 172,284.03 = 68,255.28 : x
  2. Step 2: Convert to fraction form
    124,843.50/172,284.03 = 68,255.28/x
  3. Step 3: Cross multiply
    124,843.50x = 172,284.03 × 68,255.28
  4. Step 4: Simplify right side
    124,843.50x = 11,759,294,707.18
  5. Step 5: Solve for x
    x = 11,759,294,707.18/124,843.50
  6. Step 6: Final answer
    x = 94,192.29

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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.