Home / 82,538.37-123,771.48-29,212.62

Finding the Fourth Proportional to 82,538.37, 123,771.48 and 29,212.62

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Solution

The fourth proportional to 82,538.37, 123,771.48 and 29,212.62 is: 43,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,538.37 : 123,771.48 = 29,212.62 : x
  2. Step 2: Convert to fraction form
    82,538.37/123,771.48 = 29,212.62/x
  3. Step 3: Cross multiply
    82,538.37x = 123,771.48 × 29,212.62
  4. Step 4: Simplify right side
    82,538.37x = 3,615,689,212.08
  5. Step 5: Solve for x
    x = 3,615,689,212.08/82,538.37
  6. Step 6: Final answer
    x = 43,806.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.