Home / 124,844.14-172,284.90-68,255.50

Finding the Fourth Proportional to 124,844.14, 172,284.90 and 68,255.50

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Solution

The fourth proportional to 124,844.14, 172,284.90 and 68,255.50 is: 94,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.14 : 172,284.90 = 68,255.50 : x
  2. Step 2: Convert to fraction form
    124,844.14/172,284.90 = 68,255.50/x
  3. Step 3: Cross multiply
    124,844.14x = 172,284.90 × 68,255.50
  4. Step 4: Simplify right side
    124,844.14x = 11,759,391,991.95
  5. Step 5: Solve for x
    x = 11,759,391,991.95/124,844.14
  6. Step 6: Final answer
    x = 94,192.58

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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.