Home / 89,385.08-123,352.20-49,099.66

Finding the Fourth Proportional to 89,385.08, 123,352.20 and 49,099.66

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Solution

The fourth proportional to 89,385.08, 123,352.20 and 49,099.66 is: 67,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,385.08 : 123,352.20 = 49,099.66 : x
  2. Step 2: Convert to fraction form
    89,385.08/123,352.20 = 49,099.66/x
  3. Step 3: Cross multiply
    89,385.08x = 123,352.20 × 49,099.66
  4. Step 4: Simplify right side
    89,385.08x = 6,056,550,771.87
  5. Step 5: Solve for x
    x = 6,056,550,771.87/89,385.08
  6. Step 6: Final answer
    x = 67,757.96

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1.5x scale

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.