Home / 78,856.56-108,822.26-43,046.60

Finding the Fourth Proportional to 78,856.56, 108,822.26 and 43,046.60

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Solution

The fourth proportional to 78,856.56, 108,822.26 and 43,046.60 is: 59,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,856.56 : 108,822.26 = 43,046.60 : x
  2. Step 2: Convert to fraction form
    78,856.56/108,822.26 = 43,046.60/x
  3. Step 3: Cross multiply
    78,856.56x = 108,822.26 × 43,046.60
  4. Step 4: Simplify right side
    78,856.56x = 4,684,428,297.32
  5. Step 5: Solve for x
    x = 4,684,428,297.32/78,856.56
  6. Step 6: Final answer
    x = 59,404.42

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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.