Home / 89,563.05-123,594.39-49,276.80

Finding the Fourth Proportional to 89,563.05, 123,594.39 and 49,276.80

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Solution

The fourth proportional to 89,563.05, 123,594.39 and 49,276.80 is: 68,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563.05 : 123,594.39 = 49,276.80 : x
  2. Step 2: Convert to fraction form
    89,563.05/123,594.39 = 49,276.80/x
  3. Step 3: Cross multiply
    89,563.05x = 123,594.39 × 49,276.80
  4. Step 4: Simplify right side
    89,563.05x = 6,090,336,037.15
  5. Step 5: Solve for x
    x = 6,090,336,037.15/89,563.05
  6. Step 6: Final answer
    x = 68,000.54

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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.