Home / 53,697.05-80,514.70-22,128.90

Finding the Fourth Proportional to 53,697.05, 80,514.70 and 22,128.90

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Solution

The fourth proportional to 53,697.05, 80,514.70 and 22,128.90 is: 33,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,697.05 : 80,514.70 = 22,128.90 : x
  2. Step 2: Convert to fraction form
    53,697.05/80,514.70 = 22,128.90/x
  3. Step 3: Cross multiply
    53,697.05x = 80,514.70 × 22,128.90
  4. Step 4: Simplify right side
    53,697.05x = 1,781,701,772.49
  5. Step 5: Solve for x
    x = 1,781,701,772.49/53,697.05
  6. Step 6: Final answer
    x = 33,180.63

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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.