Home / 89,743.91-123,847.08-51,500.41

Finding the Fourth Proportional to 89,743.91, 123,847.08 and 51,500.41

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Solution

The fourth proportional to 89,743.91, 123,847.08 and 51,500.41 is: 71,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.91 : 123,847.08 = 51,500.41 : x
  2. Step 2: Convert to fraction form
    89,743.91/123,847.08 = 51,500.41/x
  3. Step 3: Cross multiply
    89,743.91x = 123,847.08 × 51,500.41
  4. Step 4: Simplify right side
    89,743.91x = 6,378,174,894.56
  5. Step 5: Solve for x
    x = 6,378,174,894.56/89,743.91
  6. Step 6: Final answer
    x = 71,070.84

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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.