Home / 76,447.09-114,625.21-29,065.65

Finding the Fourth Proportional to 76,447.09, 114,625.21 and 29,065.65

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Solution

The fourth proportional to 76,447.09, 114,625.21 and 29,065.65 is: 43,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,447.09 : 114,625.21 = 29,065.65 : x
  2. Step 2: Convert to fraction form
    76,447.09/114,625.21 = 29,065.65/x
  3. Step 3: Cross multiply
    76,447.09x = 114,625.21 × 29,065.65
  4. Step 4: Simplify right side
    76,447.09x = 3,331,656,193.41
  5. Step 5: Solve for x
    x = 3,331,656,193.41/76,447.09
  6. Step 6: Final answer
    x = 43,581.20

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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.