Home / 76,649.31-114,991.25-23,346.05

Finding the Fourth Proportional to 76,649.31, 114,991.25 and 23,346.05

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Solution

The fourth proportional to 76,649.31, 114,991.25 and 23,346.05 is: 35,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,649.31 : 114,991.25 = 23,346.05 : x
  2. Step 2: Convert to fraction form
    76,649.31/114,991.25 = 23,346.05/x
  3. Step 3: Cross multiply
    76,649.31x = 114,991.25 × 23,346.05
  4. Step 4: Simplify right side
    76,649.31x = 2,684,590,780.38
  5. Step 5: Solve for x
    x = 2,684,590,780.38/76,649.31
  6. Step 6: Final answer
    x = 35,024.33

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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.