Home / 89,383.91-123,345.79-53,593.65

Finding the Fourth Proportional to 89,383.91, 123,345.79 and 53,593.65

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Solution

The fourth proportional to 89,383.91, 123,345.79 and 53,593.65 is: 73,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,383.91 : 123,345.79 = 53,593.65 : x
  2. Step 2: Convert to fraction form
    89,383.91/123,345.79 = 53,593.65/x
  3. Step 3: Cross multiply
    89,383.91x = 123,345.79 × 53,593.65
  4. Step 4: Simplify right side
    89,383.91x = 6,610,550,964.25
  5. Step 5: Solve for x
    x = 6,610,550,964.25/89,383.91
  6. Step 6: Final answer
    x = 73,956.84

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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.