Home / 76,645.23-114,929.20-23,326.98

Finding the Fourth Proportional to 76,645.23, 114,929.20 and 23,326.98

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Solution

The fourth proportional to 76,645.23, 114,929.20 and 23,326.98 is: 34,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,645.23 : 114,929.20 = 23,326.98 : x
  2. Step 2: Convert to fraction form
    76,645.23/114,929.20 = 23,326.98/x
  3. Step 3: Cross multiply
    76,645.23x = 114,929.20 × 23,326.98
  4. Step 4: Simplify right side
    76,645.23x = 2,680,951,091.50
  5. Step 5: Solve for x
    x = 2,680,951,091.50/76,645.23
  6. Step 6: Final answer
    x = 34,978.71

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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.