Home / 89,149.16-123,029.86-50,912.04

Finding the Fourth Proportional to 89,149.16, 123,029.86 and 50,912.04

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Solution

The fourth proportional to 89,149.16, 123,029.86 and 50,912.04 is: 70,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,149.16 : 123,029.86 = 50,912.04 : x
  2. Step 2: Convert to fraction form
    89,149.16/123,029.86 = 50,912.04/x
  3. Step 3: Cross multiply
    89,149.16x = 123,029.86 × 50,912.04
  4. Step 4: Simplify right side
    89,149.16x = 6,263,701,153.51
  5. Step 5: Solve for x
    x = 6,263,701,153.51/89,149.16
  6. Step 6: Final answer
    x = 70,260.91

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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.