Home / 81,546.73-112,533.10-45,735.97

Finding the Fourth Proportional to 81,546.73, 112,533.10 and 45,735.97

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Solution

The fourth proportional to 81,546.73, 112,533.10 and 45,735.97 is: 63,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.73 : 112,533.10 = 45,735.97 : x
  2. Step 2: Convert to fraction form
    81,546.73/112,533.10 = 45,735.97/x
  3. Step 3: Cross multiply
    81,546.73x = 112,533.10 × 45,735.97
  4. Step 4: Simplify right side
    81,546.73x = 5,146,810,485.61
  5. Step 5: Solve for x
    x = 5,146,810,485.61/81,546.73
  6. Step 6: Final answer
    x = 63,114.86

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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.