Home / 81,968.06-122,927.78-35,210

Finding the Fourth Proportional to 81,968.06, 122,927.78 and 35,210

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Solution

The fourth proportional to 81,968.06, 122,927.78 and 35,210 is: 52,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.06 : 122,927.78 = 35,210 : x
  2. Step 2: Convert to fraction form
    81,968.06/122,927.78 = 35,210/x
  3. Step 3: Cross multiply
    81,968.06x = 122,927.78 × 35,210
  4. Step 4: Simplify right side
    81,968.06x = 4,328,287,133.80
  5. Step 5: Solve for x
    x = 4,328,287,133.80/81,968.06
  6. Step 6: Final answer
    x = 52,804.56

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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.