Home / 65,743.68-90,665.28-41,845.44

Finding the Fourth Proportional to 65,743.68, 90,665.28 and 41,845.44

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Solution

The fourth proportional to 65,743.68, 90,665.28 and 41,845.44 is: 57,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,743.68 : 90,665.28 = 41,845.44 : x
  2. Step 2: Convert to fraction form
    65,743.68/90,665.28 = 41,845.44/x
  3. Step 3: Cross multiply
    65,743.68x = 90,665.28 × 41,845.44
  4. Step 4: Simplify right side
    65,743.68x = 3,793,928,534.32
  5. Step 5: Solve for x
    x = 3,793,928,534.32/65,743.68
  6. Step 6: Final answer
    x = 57,707.88

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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.