Home / 43,916.79-65,874.96-10,636.85

Finding the Fourth Proportional to 43,916.79, 65,874.96 and 10,636.85

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Solution

The fourth proportional to 43,916.79, 65,874.96 and 10,636.85 is: 15,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,916.79 : 65,874.96 = 10,636.85 : x
  2. Step 2: Convert to fraction form
    43,916.79/65,874.96 = 10,636.85/x
  3. Step 3: Cross multiply
    43,916.79x = 65,874.96 × 10,636.85
  4. Step 4: Simplify right side
    43,916.79x = 700,701,738.90
  5. Step 5: Solve for x
    x = 700,701,738.90/43,916.79
  6. Step 6: Final answer
    x = 15,955.21

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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.