Home / 53,621.79-80,439.39-16,181.80

Finding the Fourth Proportional to 53,621.79, 80,439.39 and 16,181.80

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Solution

The fourth proportional to 53,621.79, 80,439.39 and 16,181.80 is: 24,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.79 : 80,439.39 = 16,181.80 : x
  2. Step 2: Convert to fraction form
    53,621.79/80,439.39 = 16,181.80/x
  3. Step 3: Cross multiply
    53,621.79x = 80,439.39 × 16,181.80
  4. Step 4: Simplify right side
    53,621.79x = 1,301,654,221.65
  5. Step 5: Solve for x
    x = 1,301,654,221.65/53,621.79
  6. Step 6: Final answer
    x = 24,274.73

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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.