Home / 53,983.90-80,990.56-16,543.14

Finding the Fourth Proportional to 53,983.90, 80,990.56 and 16,543.14

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Solution

The fourth proportional to 53,983.90, 80,990.56 and 16,543.14 is: 24,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983.90 : 80,990.56 = 16,543.14 : x
  2. Step 2: Convert to fraction form
    53,983.90/80,990.56 = 16,543.14/x
  3. Step 3: Cross multiply
    53,983.90x = 80,990.56 × 16,543.14
  4. Step 4: Simplify right side
    53,983.90x = 1,339,838,604.10
  5. Step 5: Solve for x
    x = 1,339,838,604.10/53,983.90
  6. Step 6: Final answer
    x = 24,819.23

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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.