Home / 89,558.88-123,591.24-49,271.78

Finding the Fourth Proportional to 89,558.88, 123,591.24 and 49,271.78

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Solution

The fourth proportional to 89,558.88, 123,591.24 and 49,271.78 is: 67,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.88 : 123,591.24 = 49,271.78 : x
  2. Step 2: Convert to fraction form
    89,558.88/123,591.24 = 49,271.78/x
  3. Step 3: Cross multiply
    89,558.88x = 123,591.24 × 49,271.78
  4. Step 4: Simplify right side
    89,558.88x = 6,089,560,387.21
  5. Step 5: Solve for x
    x = 6,089,560,387.21/89,558.88
  6. Step 6: Final answer
    x = 67,995.05

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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.