Home / 81,966.40-122,949.60-50,862.40

Finding the Fourth Proportional to 81,966.40, 122,949.60 and 50,862.40

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Solution

The fourth proportional to 81,966.40, 122,949.60 and 50,862.40 is: 76,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.40 : 122,949.60 = 50,862.40 : x
  2. Step 2: Convert to fraction form
    81,966.40/122,949.60 = 50,862.40/x
  3. Step 3: Cross multiply
    81,966.40x = 122,949.60 × 50,862.40
  4. Step 4: Simplify right side
    81,966.40x = 6,253,511,735.04
  5. Step 5: Solve for x
    x = 6,253,511,735.04/81,966.40
  6. Step 6: Final answer
    x = 76,293.60

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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.