Home / 81,824.40-122,736.60-44,499.60

Finding the Fourth Proportional to 81,824.40, 122,736.60 and 44,499.60

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Solution

The fourth proportional to 81,824.40, 122,736.60 and 44,499.60 is: 66,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,824.40 : 122,736.60 = 44,499.60 : x
  2. Step 2: Convert to fraction form
    81,824.40/122,736.60 = 44,499.60/x
  3. Step 3: Cross multiply
    81,824.40x = 122,736.60 × 44,499.60
  4. Step 4: Simplify right side
    81,824.40x = 5,461,729,605.36
  5. Step 5: Solve for x
    x = 5,461,729,605.36/81,824.40
  6. Step 6: Final answer
    x = 66,749.40

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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.