Home / 43,819.40-65,700.33-15,725.36

Finding the Fourth Proportional to 43,819.40, 65,700.33 and 15,725.36

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Solution

The fourth proportional to 43,819.40, 65,700.33 and 15,725.36 is: 23,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,819.40 : 65,700.33 = 15,725.36 : x
  2. Step 2: Convert to fraction form
    43,819.40/65,700.33 = 15,725.36/x
  3. Step 3: Cross multiply
    43,819.40x = 65,700.33 × 15,725.36
  4. Step 4: Simplify right side
    43,819.40x = 1,033,161,012.87
  5. Step 5: Solve for x
    x = 1,033,161,012.87/43,819.40
  6. Step 6: Final answer
    x = 23,577.71

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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.