Home / 53,138.54-73,251.06-43,690.70

Finding the Fourth Proportional to 53,138.54, 73,251.06 and 43,690.70

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Solution

The fourth proportional to 53,138.54, 73,251.06 and 43,690.70 is: 60,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.54 : 73,251.06 = 43,690.70 : x
  2. Step 2: Convert to fraction form
    53,138.54/73,251.06 = 43,690.70/x
  3. Step 3: Cross multiply
    53,138.54x = 73,251.06 × 43,690.70
  4. Step 4: Simplify right side
    53,138.54x = 3,200,390,087.14
  5. Step 5: Solve for x
    x = 3,200,390,087.14/53,138.54
  6. Step 6: Final answer
    x = 60,227.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.