Home / 49,410.16-68,121.68-31,498.63

Finding the Fourth Proportional to 49,410.16, 68,121.68 and 31,498.63

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Solution

The fourth proportional to 49,410.16, 68,121.68 and 31,498.63 is: 43,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.16 : 68,121.68 = 31,498.63 : x
  2. Step 2: Convert to fraction form
    49,410.16/68,121.68 = 31,498.63/x
  3. Step 3: Cross multiply
    49,410.16x = 68,121.68 × 31,498.63
  4. Step 4: Simplify right side
    49,410.16x = 2,145,739,265.50
  5. Step 5: Solve for x
    x = 2,145,739,265.50/49,410.16
  6. Step 6: Final answer
    x = 43,427.09

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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.