Home / 125,086.44-172,619.30-68,501.32

Finding the Fourth Proportional to 125,086.44, 172,619.30 and 68,501.32

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Solution

The fourth proportional to 125,086.44, 172,619.30 and 68,501.32 is: 94,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,086.44 : 172,619.30 = 68,501.32 : x
  2. Step 2: Convert to fraction form
    125,086.44/172,619.30 = 68,501.32/x
  3. Step 3: Cross multiply
    125,086.44x = 172,619.30 × 68,501.32
  4. Step 4: Simplify right side
    125,086.44x = 11,824,649,907.48
  5. Step 5: Solve for x
    x = 11,824,649,907.48/125,086.44
  6. Step 6: Final answer
    x = 94,531.83

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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.