Home / 81,207.09-121,823.77-25,034.06

Finding the Fourth Proportional to 81,207.09, 121,823.77 and 25,034.06

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Solution

The fourth proportional to 81,207.09, 121,823.77 and 25,034.06 is: 37,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,207.09 : 121,823.77 = 25,034.06 : x
  2. Step 2: Convert to fraction form
    81,207.09/121,823.77 = 25,034.06/x
  3. Step 3: Cross multiply
    81,207.09x = 121,823.77 × 25,034.06
  4. Step 4: Simplify right side
    81,207.09x = 3,049,743,171.26
  5. Step 5: Solve for x
    x = 3,049,743,171.26/81,207.09
  6. Step 6: Final answer
    x = 37,555.13

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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.