Home / 49,592.12-68,417.32-31,682.48

Finding the Fourth Proportional to 49,592.12, 68,417.32 and 31,682.48

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Solution

The fourth proportional to 49,592.12, 68,417.32 and 31,682.48 is: 43,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,592.12 : 68,417.32 = 31,682.48 : x
  2. Step 2: Convert to fraction form
    49,592.12/68,417.32 = 31,682.48/x
  3. Step 3: Cross multiply
    49,592.12x = 68,417.32 × 31,682.48
  4. Step 4: Simplify right side
    49,592.12x = 2,167,630,372.55
  5. Step 5: Solve for x
    x = 2,167,630,372.55/49,592.12
  6. Step 6: Final answer
    x = 43,709.17

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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.