Home / 43,361.10-65,048.94-13,776.66

Finding the Fourth Proportional to 43,361.10, 65,048.94 and 13,776.66

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Solution

The fourth proportional to 43,361.10, 65,048.94 and 13,776.66 is: 20,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.10 : 65,048.94 = 13,776.66 : x
  2. Step 2: Convert to fraction form
    43,361.10/65,048.94 = 13,776.66/x
  3. Step 3: Cross multiply
    43,361.10x = 65,048.94 × 13,776.66
  4. Step 4: Simplify right side
    43,361.10x = 896,157,129.74
  5. Step 5: Solve for x
    x = 896,157,129.74/43,361.10
  6. Step 6: Final answer
    x = 20,667.31

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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.