Home / 76,822.44-115,233.51-30,042.51

Finding the Fourth Proportional to 76,822.44, 115,233.51 and 30,042.51

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Solution

The fourth proportional to 76,822.44, 115,233.51 and 30,042.51 is: 45,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822.44 : 115,233.51 = 30,042.51 : x
  2. Step 2: Convert to fraction form
    76,822.44/115,233.51 = 30,042.51/x
  3. Step 3: Cross multiply
    76,822.44x = 115,233.51 × 30,042.51
  4. Step 4: Simplify right side
    76,822.44x = 3,461,903,876.51
  5. Step 5: Solve for x
    x = 3,461,903,876.51/76,822.44
  6. Step 6: Final answer
    x = 45,063.71

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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.