Home / 81,877.23-122,845.88-34,504.25

Finding the Fourth Proportional to 81,877.23, 122,845.88 and 34,504.25

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Solution

The fourth proportional to 81,877.23, 122,845.88 and 34,504.25 is: 51,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,877.23 : 122,845.88 = 34,504.25 : x
  2. Step 2: Convert to fraction form
    81,877.23/122,845.88 = 34,504.25/x
  3. Step 3: Cross multiply
    81,877.23x = 122,845.88 × 34,504.25
  4. Step 4: Simplify right side
    81,877.23x = 4,238,704,427.02
  5. Step 5: Solve for x
    x = 4,238,704,427.02/81,877.23
  6. Step 6: Final answer
    x = 51,769.03

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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.