Home / 49,731.14-68,637.30-31,825.28

Finding the Fourth Proportional to 49,731.14, 68,637.30 and 31,825.28

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Solution

The fourth proportional to 49,731.14, 68,637.30 and 31,825.28 is: 43,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.14 : 68,637.30 = 31,825.28 : x
  2. Step 2: Convert to fraction form
    49,731.14/68,637.30 = 31,825.28/x
  3. Step 3: Cross multiply
    49,731.14x = 68,637.30 × 31,825.28
  4. Step 4: Simplify right side
    49,731.14x = 2,184,401,290.94
  5. Step 5: Solve for x
    x = 2,184,401,290.94/49,731.14
  6. Step 6: Final answer
    x = 43,924.22

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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.