Home / 108,078.38-162,118.04-44,898.45

Finding the Fourth Proportional to 108,078.38, 162,118.04 and 44,898.45

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Solution

The fourth proportional to 108,078.38, 162,118.04 and 44,898.45 is: 67,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.38 : 162,118.04 = 44,898.45 : x
  2. Step 2: Convert to fraction form
    108,078.38/162,118.04 = 44,898.45/x
  3. Step 3: Cross multiply
    108,078.38x = 162,118.04 × 44,898.45
  4. Step 4: Simplify right side
    108,078.38x = 7,278,848,715.39
  5. Step 5: Solve for x
    x = 7,278,848,715.39/108,078.38
  6. Step 6: Final answer
    x = 67,347.87

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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.