Home / 89,633.08-123,693.68-49,346.84

Finding the Fourth Proportional to 89,633.08, 123,693.68 and 49,346.84

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Solution

The fourth proportional to 89,633.08, 123,693.68 and 49,346.84 is: 68,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,633.08 : 123,693.68 = 49,346.84 : x
  2. Step 2: Convert to fraction form
    89,633.08/123,693.68 = 49,346.84/x
  3. Step 3: Cross multiply
    89,633.08x = 123,693.68 × 49,346.84
  4. Step 4: Simplify right side
    89,633.08x = 6,103,892,235.97
  5. Step 5: Solve for x
    x = 6,103,892,235.97/89,633.08
  6. Step 6: Final answer
    x = 68,098.66

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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.