Home / 89,357.58-123,318.99-49,613.58

Finding the Fourth Proportional to 89,357.58, 123,318.99 and 49,613.58

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Solution

The fourth proportional to 89,357.58, 123,318.99 and 49,613.58 is: 68,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,357.58 : 123,318.99 = 49,613.58 : x
  2. Step 2: Convert to fraction form
    89,357.58/123,318.99 = 49,613.58/x
  3. Step 3: Cross multiply
    89,357.58x = 123,318.99 × 49,613.58
  4. Step 4: Simplify right side
    89,357.58x = 6,118,296,575.88
  5. Step 5: Solve for x
    x = 6,118,296,575.88/89,357.58
  6. Step 6: Final answer
    x = 68,469.81

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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.