Home / 89,939.62-134,885.93-26,742.73

Finding the Fourth Proportional to 89,939.62, 134,885.93 and 26,742.73

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Solution

The fourth proportional to 89,939.62, 134,885.93 and 26,742.73 is: 40,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.62 : 134,885.93 = 26,742.73 : x
  2. Step 2: Convert to fraction form
    89,939.62/134,885.93 = 26,742.73/x
  3. Step 3: Cross multiply
    89,939.62x = 134,885.93 × 26,742.73
  4. Step 4: Simplify right side
    89,939.62x = 3,607,217,535.86
  5. Step 5: Solve for x
    x = 3,607,217,535.86/89,939.62
  6. Step 6: Final answer
    x = 40,107.10

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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.