Home / 49,418.64-74,136.12-16,129.04

Finding the Fourth Proportional to 49,418.64, 74,136.12 and 16,129.04

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Solution

The fourth proportional to 49,418.64, 74,136.12 and 16,129.04 is: 24,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.64 : 74,136.12 = 16,129.04 : x
  2. Step 2: Convert to fraction form
    49,418.64/74,136.12 = 16,129.04/x
  3. Step 3: Cross multiply
    49,418.64x = 74,136.12 × 16,129.04
  4. Step 4: Simplify right side
    49,418.64x = 1,195,744,444.92
  5. Step 5: Solve for x
    x = 1,195,744,444.92/49,418.64
  6. Step 6: Final answer
    x = 24,196.22

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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.