Home / 81,084.96-121,546.08-33,635.52

Finding the Fourth Proportional to 81,084.96, 121,546.08 and 33,635.52

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Solution

The fourth proportional to 81,084.96, 121,546.08 and 33,635.52 is: 50,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084.96 : 121,546.08 = 33,635.52 : x
  2. Step 2: Convert to fraction form
    81,084.96/121,546.08 = 33,635.52/x
  3. Step 3: Cross multiply
    81,084.96x = 121,546.08 × 33,635.52
  4. Step 4: Simplify right side
    81,084.96x = 4,088,265,604.76
  5. Step 5: Solve for x
    x = 4,088,265,604.76/81,084.96
  6. Step 6: Final answer
    x = 50,419.53

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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.