Home / 80,828.52-121,186.44-35,825.52

Finding the Fourth Proportional to 80,828.52, 121,186.44 and 35,825.52

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Solution

The fourth proportional to 80,828.52, 121,186.44 and 35,825.52 is: 53,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,828.52 : 121,186.44 = 35,825.52 : x
  2. Step 2: Convert to fraction form
    80,828.52/121,186.44 = 35,825.52/x
  3. Step 3: Cross multiply
    80,828.52x = 121,186.44 × 35,825.52
  4. Step 4: Simplify right side
    80,828.52x = 4,341,567,229.95
  5. Step 5: Solve for x
    x = 4,341,567,229.95/80,828.52
  6. Step 6: Final answer
    x = 53,713.31

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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.