Home / 89,190.16-123,083.44-50,954.72

Finding the Fourth Proportional to 89,190.16, 123,083.44 and 50,954.72

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Solution

The fourth proportional to 89,190.16, 123,083.44 and 50,954.72 is: 70,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.16 : 123,083.44 = 50,954.72 : x
  2. Step 2: Convert to fraction form
    89,190.16/123,083.44 = 50,954.72/x
  3. Step 3: Cross multiply
    89,190.16x = 123,083.44 × 50,954.72
  4. Step 4: Simplify right side
    89,190.16x = 6,271,682,221.84
  5. Step 5: Solve for x
    x = 6,271,682,221.84/89,190.16
  6. Step 6: Final answer
    x = 70,318.10

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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.