Home / 81,968.93-122,969.97-34,584.14

Finding the Fourth Proportional to 81,968.93, 122,969.97 and 34,584.14

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Solution

The fourth proportional to 81,968.93, 122,969.97 and 34,584.14 is: 51,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.93 : 122,969.97 = 34,584.14 : x
  2. Step 2: Convert to fraction form
    81,968.93/122,969.97 = 34,584.14/x
  3. Step 3: Cross multiply
    81,968.93x = 122,969.97 × 34,584.14
  4. Step 4: Simplify right side
    81,968.93x = 4,252,810,701.51
  5. Step 5: Solve for x
    x = 4,252,810,701.51/81,968.93
  6. Step 6: Final answer
    x = 51,883.20

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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.