Home / 54,354.12-81,516.39-14,901.86

Finding the Fourth Proportional to 54,354.12, 81,516.39 and 14,901.86

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Solution

The fourth proportional to 54,354.12, 81,516.39 and 14,901.86 is: 22,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.12 : 81,516.39 = 14,901.86 : x
  2. Step 2: Convert to fraction form
    54,354.12/81,516.39 = 14,901.86/x
  3. Step 3: Cross multiply
    54,354.12x = 81,516.39 × 14,901.86
  4. Step 4: Simplify right side
    54,354.12x = 1,214,745,423.90
  5. Step 5: Solve for x
    x = 1,214,745,423.90/54,354.12
  6. Step 6: Final answer
    x = 22,348.73

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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.