Home / 92,448.21-138,693.20-29,272.17

Finding the Fourth Proportional to 92,448.21, 138,693.20 and 29,272.17

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Solution

The fourth proportional to 92,448.21, 138,693.20 and 29,272.17 is: 43,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448.21 : 138,693.20 = 29,272.17 : x
  2. Step 2: Convert to fraction form
    92,448.21/138,693.20 = 29,272.17/x
  3. Step 3: Cross multiply
    92,448.21x = 138,693.20 × 29,272.17
  4. Step 4: Simplify right side
    92,448.21x = 4,059,850,781.88
  5. Step 5: Solve for x
    x = 4,059,850,781.88/92,448.21
  6. Step 6: Final answer
    x = 43,914.87

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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.