Home / 74,081.81-111,096.43-26,684.19

Finding the Fourth Proportional to 74,081.81, 111,096.43 and 26,684.19

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Solution

The fourth proportional to 74,081.81, 111,096.43 and 26,684.19 is: 40,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.81 : 111,096.43 = 26,684.19 : x
  2. Step 2: Convert to fraction form
    74,081.81/111,096.43 = 26,684.19/x
  3. Step 3: Cross multiply
    74,081.81x = 111,096.43 × 26,684.19
  4. Step 4: Simplify right side
    74,081.81x = 2,964,518,179.73
  5. Step 5: Solve for x
    x = 2,964,518,179.73/74,081.81
  6. Step 6: Final answer
    x = 40,016.81

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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.