Home / 81,914.36-122,901.57-34,541.37

Finding the Fourth Proportional to 81,914.36, 122,901.57 and 34,541.37

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Solution

The fourth proportional to 81,914.36, 122,901.57 and 34,541.37 is: 51,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,914.36 : 122,901.57 = 34,541.37 : x
  2. Step 2: Convert to fraction form
    81,914.36/122,901.57 = 34,541.37/x
  3. Step 3: Cross multiply
    81,914.36x = 122,901.57 × 34,541.37
  4. Step 4: Simplify right side
    81,914.36x = 4,245,188,602.95
  5. Step 5: Solve for x
    x = 4,245,188,602.95/81,914.36
  6. Step 6: Final answer
    x = 51,824.72

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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.