Home / 89,619.21-134,450.64-27,289.71

Finding the Fourth Proportional to 89,619.21, 134,450.64 and 27,289.71

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Solution

The fourth proportional to 89,619.21, 134,450.64 and 27,289.71 is: 40,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619.21 : 134,450.64 = 27,289.71 : x
  2. Step 2: Convert to fraction form
    89,619.21/134,450.64 = 27,289.71/x
  3. Step 3: Cross multiply
    89,619.21x = 134,450.64 × 27,289.71
  4. Step 4: Simplify right side
    89,619.21x = 3,669,118,974.91
  5. Step 5: Solve for x
    x = 3,669,118,974.91/89,619.21
  6. Step 6: Final answer
    x = 40,941.21

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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.