Home / 53,395.73-80,105.74-28,422.62

Finding the Fourth Proportional to 53,395.73, 80,105.74 and 28,422.62

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Solution

The fourth proportional to 53,395.73, 80,105.74 and 28,422.62 is: 42,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.73 : 80,105.74 = 28,422.62 : x
  2. Step 2: Convert to fraction form
    53,395.73/80,105.74 = 28,422.62/x
  3. Step 3: Cross multiply
    53,395.73x = 80,105.74 × 28,422.62
  4. Step 4: Simplify right side
    53,395.73x = 2,276,815,007.84
  5. Step 5: Solve for x
    x = 2,276,815,007.84/53,395.73
  6. Step 6: Final answer
    x = 42,640.39

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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.