Home / 43,696.70-65,546.50-12,107.08

Finding the Fourth Proportional to 43,696.70, 65,546.50 and 12,107.08

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Solution

The fourth proportional to 43,696.70, 65,546.50 and 12,107.08 is: 18,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,696.70 : 65,546.50 = 12,107.08 : x
  2. Step 2: Convert to fraction form
    43,696.70/65,546.50 = 12,107.08/x
  3. Step 3: Cross multiply
    43,696.70x = 65,546.50 × 12,107.08
  4. Step 4: Simplify right side
    43,696.70x = 793,576,719.22
  5. Step 5: Solve for x
    x = 793,576,719.22/43,696.70
  6. Step 6: Final answer
    x = 18,161.02

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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.