Home / 49,134.36-67,804.08-28,992.12

Finding the Fourth Proportional to 49,134.36, 67,804.08 and 28,992.12

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Solution

The fourth proportional to 49,134.36, 67,804.08 and 28,992.12 is: 40,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,134.36 : 67,804.08 = 28,992.12 : x
  2. Step 2: Convert to fraction form
    49,134.36/67,804.08 = 28,992.12/x
  3. Step 3: Cross multiply
    49,134.36x = 67,804.08 × 28,992.12
  4. Step 4: Simplify right side
    49,134.36x = 1,965,784,023.85
  5. Step 5: Solve for x
    x = 1,965,784,023.85/49,134.36
  6. Step 6: Final answer
    x = 40,008.34

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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.