Home / 83,634.51-115,511.48-55,081.79

Finding the Fourth Proportional to 83,634.51, 115,511.48 and 55,081.79

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Solution

The fourth proportional to 83,634.51, 115,511.48 and 55,081.79 is: 76,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.51 : 115,511.48 = 55,081.79 : x
  2. Step 2: Convert to fraction form
    83,634.51/115,511.48 = 55,081.79/x
  3. Step 3: Cross multiply
    83,634.51x = 115,511.48 × 55,081.79
  4. Step 4: Simplify right side
    83,634.51x = 6,362,579,083.95
  5. Step 5: Solve for x
    x = 6,362,579,083.95/83,634.51
  6. Step 6: Final answer
    x = 76,076.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.