Home / 81,599.40-122,204.70-50,106.60

Finding the Fourth Proportional to 81,599.40, 122,204.70 and 50,106.60

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Solution

The fourth proportional to 81,599.40, 122,204.70 and 50,106.60 is: 75,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,599.40 : 122,204.70 = 50,106.60 : x
  2. Step 2: Convert to fraction form
    81,599.40/122,204.70 = 50,106.60/x
  3. Step 3: Cross multiply
    81,599.40x = 122,204.70 × 50,106.60
  4. Step 4: Simplify right side
    81,599.40x = 6,123,262,021.02
  5. Step 5: Solve for x
    x = 6,123,262,021.02/81,599.40
  6. Step 6: Final answer
    x = 75,040.53

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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.