Home / 43,411.14-65,121.98-12,246.39

Finding the Fourth Proportional to 43,411.14, 65,121.98 and 12,246.39

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Solution

The fourth proportional to 43,411.14, 65,121.98 and 12,246.39 is: 18,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.14 : 65,121.98 = 12,246.39 : x
  2. Step 2: Convert to fraction form
    43,411.14/65,121.98 = 12,246.39/x
  3. Step 3: Cross multiply
    43,411.14x = 65,121.98 × 12,246.39
  4. Step 4: Simplify right side
    43,411.14x = 797,509,103.42
  5. Step 5: Solve for x
    x = 797,509,103.42/43,411.14
  6. Step 6: Final answer
    x = 18,371.07

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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.