Home / 89,206.20-123,106.25-48,917.56

Finding the Fourth Proportional to 89,206.20, 123,106.25 and 48,917.56

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Solution

The fourth proportional to 89,206.20, 123,106.25 and 48,917.56 is: 67,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.20 : 123,106.25 = 48,917.56 : x
  2. Step 2: Convert to fraction form
    89,206.20/123,106.25 = 48,917.56/x
  3. Step 3: Cross multiply
    89,206.20x = 123,106.25 × 48,917.56
  4. Step 4: Simplify right side
    89,206.20x = 6,022,057,126.16
  5. Step 5: Solve for x
    x = 6,022,057,126.16/89,206.20
  6. Step 6: Final answer
    x = 67,507.16

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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.