Home / 89,571.56-123,611.70-51,338.44

Finding the Fourth Proportional to 89,571.56, 123,611.70 and 51,338.44

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Solution

The fourth proportional to 89,571.56, 123,611.70 and 51,338.44 is: 70,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,571.56 : 123,611.70 = 51,338.44 : x
  2. Step 2: Convert to fraction form
    89,571.56/123,611.70 = 51,338.44/x
  3. Step 3: Cross multiply
    89,571.56x = 123,611.70 × 51,338.44
  4. Step 4: Simplify right side
    89,571.56x = 6,346,031,843.75
  5. Step 5: Solve for x
    x = 6,346,031,843.75/89,571.56
  6. Step 6: Final answer
    x = 70,848.74

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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.