Home / 89,134.79-123,004.05-48,847.70

Finding the Fourth Proportional to 89,134.79, 123,004.05 and 48,847.70

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Solution

The fourth proportional to 89,134.79, 123,004.05 and 48,847.70 is: 67,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134.79 : 123,004.05 = 48,847.70 : x
  2. Step 2: Convert to fraction form
    89,134.79/123,004.05 = 48,847.70/x
  3. Step 3: Cross multiply
    89,134.79x = 123,004.05 × 48,847.70
  4. Step 4: Simplify right side
    89,134.79x = 6,008,464,933.19
  5. Step 5: Solve for x
    x = 6,008,464,933.19/89,134.79
  6. Step 6: Final answer
    x = 67,408.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.