Home / 49,289.04-68,026.68-31,392

Finding the Fourth Proportional to 49,289.04, 68,026.68 and 31,392

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Solution

The fourth proportional to 49,289.04, 68,026.68 and 31,392 is: 43,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.04 : 68,026.68 = 31,392 : x
  2. Step 2: Convert to fraction form
    49,289.04/68,026.68 = 31,392/x
  3. Step 3: Cross multiply
    49,289.04x = 68,026.68 × 31,392
  4. Step 4: Simplify right side
    49,289.04x = 2,135,493,538.56
  5. Step 5: Solve for x
    x = 2,135,493,538.56/49,289.04
  6. Step 6: Final answer
    x = 43,325.93

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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.