Home / 53,808.38-80,725.53-16,872.38

Finding the Fourth Proportional to 53,808.38, 80,725.53 and 16,872.38

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Solution

The fourth proportional to 53,808.38, 80,725.53 and 16,872.38 is: 25,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808.38 : 80,725.53 = 16,872.38 : x
  2. Step 2: Convert to fraction form
    53,808.38/80,725.53 = 16,872.38/x
  3. Step 3: Cross multiply
    53,808.38x = 80,725.53 × 16,872.38
  4. Step 4: Simplify right side
    53,808.38x = 1,362,031,414.23
  5. Step 5: Solve for x
    x = 1,362,031,414.23/53,808.38
  6. Step 6: Final answer
    x = 25,312.63

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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.