Home / 49,664.32-74,543.30-18,104.88

Finding the Fourth Proportional to 49,664.32, 74,543.30 and 18,104.88

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Solution

The fourth proportional to 49,664.32, 74,543.30 and 18,104.88 is: 27,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664.32 : 74,543.30 = 18,104.88 : x
  2. Step 2: Convert to fraction form
    49,664.32/74,543.30 = 18,104.88/x
  3. Step 3: Cross multiply
    49,664.32x = 74,543.30 × 18,104.88
  4. Step 4: Simplify right side
    49,664.32x = 1,349,597,410.78
  5. Step 5: Solve for x
    x = 1,349,597,410.78/49,664.32
  6. Step 6: Final answer
    x = 27,174.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.