Home / 92,180.64-138,291.12-29,857.44

Finding the Fourth Proportional to 92,180.64, 138,291.12 and 29,857.44

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Solution

The fourth proportional to 92,180.64, 138,291.12 and 29,857.44 is: 44,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,180.64 : 138,291.12 = 29,857.44 : x
  2. Step 2: Convert to fraction form
    92,180.64/138,291.12 = 29,857.44/x
  3. Step 3: Cross multiply
    92,180.64x = 138,291.12 × 29,857.44
  4. Step 4: Simplify right side
    92,180.64x = 4,129,018,817.93
  5. Step 5: Solve for x
    x = 4,129,018,817.93/92,180.64
  6. Step 6: Final answer
    x = 44,792.69

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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.