Home / 89,169.66-123,022.59-50,901.60

Finding the Fourth Proportional to 89,169.66, 123,022.59 and 50,901.60

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Solution

The fourth proportional to 89,169.66, 123,022.59 and 50,901.60 is: 70,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169.66 : 123,022.59 = 50,901.60 : x
  2. Step 2: Convert to fraction form
    89,169.66/123,022.59 = 50,901.60/x
  3. Step 3: Cross multiply
    89,169.66x = 123,022.59 × 50,901.60
  4. Step 4: Simplify right side
    89,169.66x = 6,262,046,667.14
  5. Step 5: Solve for x
    x = 6,262,046,667.14/89,169.66
  6. Step 6: Final answer
    x = 70,226.20

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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.