Home / 81,774.43-122,661.36-22,610.00

Finding the Fourth Proportional to 81,774.43, 122,661.36 and 22,610.00

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Solution

The fourth proportional to 81,774.43, 122,661.36 and 22,610.00 is: 33,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,774.43 : 122,661.36 = 22,610.00 : x
  2. Step 2: Convert to fraction form
    81,774.43/122,661.36 = 22,610.00/x
  3. Step 3: Cross multiply
    81,774.43x = 122,661.36 × 22,610.00
  4. Step 4: Simplify right side
    81,774.43x = 2,773,373,656.25
  5. Step 5: Solve for x
    x = 2,773,373,656.25/81,774.43
  6. Step 6: Final answer
    x = 33,914.93

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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.