Home / 81,971.02-122,955.85-22,806.52

Finding the Fourth Proportional to 81,971.02, 122,955.85 and 22,806.52

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Solution

The fourth proportional to 81,971.02, 122,955.85 and 22,806.52 is: 34,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,971.02 : 122,955.85 = 22,806.52 : x
  2. Step 2: Convert to fraction form
    81,971.02/122,955.85 = 22,806.52/x
  3. Step 3: Cross multiply
    81,971.02x = 122,955.85 × 22,806.52
  4. Step 4: Simplify right side
    81,971.02x = 2,804,195,052.14
  5. Step 5: Solve for x
    x = 2,804,195,052.14/81,971.02
  6. Step 6: Final answer
    x = 34,209.59

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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.