Home / 89,226.70-123,133.79-48,390.91

Finding the Fourth Proportional to 89,226.70, 123,133.79 and 48,390.91

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Solution

The fourth proportional to 89,226.70, 123,133.79 and 48,390.91 is: 66,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,226.70 : 123,133.79 = 48,390.91 : x
  2. Step 2: Convert to fraction form
    89,226.70/123,133.79 = 48,390.91/x
  3. Step 3: Cross multiply
    89,226.70x = 123,133.79 × 48,390.91
  4. Step 4: Simplify right side
    89,226.70x = 5,958,555,962.99
  5. Step 5: Solve for x
    x = 5,958,555,962.99/89,226.70
  6. Step 6: Final answer
    x = 66,779.97

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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.