Home / 81,505.00-122,258.36-22,340.68

Finding the Fourth Proportional to 81,505.00, 122,258.36 and 22,340.68

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Solution

The fourth proportional to 81,505.00, 122,258.36 and 22,340.68 is: 33,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,505.00 : 122,258.36 = 22,340.68 : x
  2. Step 2: Convert to fraction form
    81,505.00/122,258.36 = 22,340.68/x
  3. Step 3: Cross multiply
    81,505.00x = 122,258.36 × 22,340.68
  4. Step 4: Simplify right side
    81,505.00x = 2,731,334,648.29
  5. Step 5: Solve for x
    x = 2,731,334,648.29/81,505.00
  6. Step 6: Final answer
    x = 33,511.25

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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.