Home / 81,743.75-122,615.46-22,579.25

Finding the Fourth Proportional to 81,743.75, 122,615.46 and 22,579.25

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Solution

The fourth proportional to 81,743.75, 122,615.46 and 22,579.25 is: 33,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,743.75 : 122,615.46 = 22,579.25 : x
  2. Step 2: Convert to fraction form
    81,743.75/122,615.46 = 22,579.25/x
  3. Step 3: Cross multiply
    81,743.75x = 122,615.46 × 22,579.25
  4. Step 4: Simplify right side
    81,743.75x = 2,768,564,512.13
  5. Step 5: Solve for x
    x = 2,768,564,512.13/81,743.75
  6. Step 6: Final answer
    x = 33,868.82

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1.5x scale

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.