Home / 89,209.36-123,109.08-48,923.42

Finding the Fourth Proportional to 89,209.36, 123,109.08 and 48,923.42

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Solution

The fourth proportional to 89,209.36, 123,109.08 and 48,923.42 is: 67,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,209.36 : 123,109.08 = 48,923.42 : x
  2. Step 2: Convert to fraction form
    89,209.36/123,109.08 = 48,923.42/x
  3. Step 3: Cross multiply
    89,209.36x = 123,109.08 × 48,923.42
  4. Step 4: Simplify right side
    89,209.36x = 6,022,917,226.65
  5. Step 5: Solve for x
    x = 6,022,917,226.65/89,209.36
  6. Step 6: Final answer
    x = 67,514.41

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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.