Home / 43,928.85-65,892.69-10,649.21

Finding the Fourth Proportional to 43,928.85, 65,892.69 and 10,649.21

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Solution

The fourth proportional to 43,928.85, 65,892.69 and 10,649.21 is: 15,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,928.85 : 65,892.69 = 10,649.21 : x
  2. Step 2: Convert to fraction form
    43,928.85/65,892.69 = 10,649.21/x
  3. Step 3: Cross multiply
    43,928.85x = 65,892.69 × 10,649.21
  4. Step 4: Simplify right side
    43,928.85x = 701,704,710.57
  5. Step 5: Solve for x
    x = 701,704,710.57/43,928.85
  6. Step 6: Final answer
    x = 15,973.66

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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.