Home / 89,743.52-123,845.46-49,457.31

Finding the Fourth Proportional to 89,743.52, 123,845.46 and 49,457.31

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Solution

The fourth proportional to 89,743.52, 123,845.46 and 49,457.31 is: 68,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.52 : 123,845.46 = 49,457.31 : x
  2. Step 2: Convert to fraction form
    89,743.52/123,845.46 = 49,457.31/x
  3. Step 3: Cross multiply
    89,743.52x = 123,845.46 × 49,457.31
  4. Step 4: Simplify right side
    89,743.52x = 6,125,063,060.03
  5. Step 5: Solve for x
    x = 6,125,063,060.03/89,743.52
  6. Step 6: Final answer
    x = 68,250.76

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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.