Home / 89,245.10-123,150.40-50,997.06

Finding the Fourth Proportional to 89,245.10, 123,150.40 and 50,997.06

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Solution

The fourth proportional to 89,245.10, 123,150.40 and 50,997.06 is: 70,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.10 : 123,150.40 = 50,997.06 : x
  2. Step 2: Convert to fraction form
    89,245.10/123,150.40 = 50,997.06/x
  3. Step 3: Cross multiply
    89,245.10x = 123,150.40 × 50,997.06
  4. Step 4: Simplify right side
    89,245.10x = 6,280,308,210.33
  5. Step 5: Solve for x
    x = 6,280,308,210.33/89,245.10
  6. Step 6: Final answer
    x = 70,371.46

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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.