Home / 81,677.22-122,489.88-26,260.26

Finding the Fourth Proportional to 81,677.22, 122,489.88 and 26,260.26

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Solution

The fourth proportional to 81,677.22, 122,489.88 and 26,260.26 is: 39,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,677.22 : 122,489.88 = 26,260.26 : x
  2. Step 2: Convert to fraction form
    81,677.22/122,489.88 = 26,260.26/x
  3. Step 3: Cross multiply
    81,677.22x = 122,489.88 × 26,260.26
  4. Step 4: Simplify right side
    81,677.22x = 3,216,616,096.17
  5. Step 5: Solve for x
    x = 3,216,616,096.17/81,677.22
  6. Step 6: Final answer
    x = 39,382.05

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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.