Home / 54,137.73-81,211.13-14,156.64

Finding the Fourth Proportional to 54,137.73, 81,211.13 and 14,156.64

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Solution

The fourth proportional to 54,137.73, 81,211.13 and 14,156.64 is: 21,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.73 : 81,211.13 = 14,156.64 : x
  2. Step 2: Convert to fraction form
    54,137.73/81,211.13 = 14,156.64/x
  3. Step 3: Cross multiply
    54,137.73x = 81,211.13 × 14,156.64
  4. Step 4: Simplify right side
    54,137.73x = 1,149,676,731.40
  5. Step 5: Solve for x
    x = 1,149,676,731.40/54,137.73
  6. Step 6: Final answer
    x = 21,236.15

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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.