Home / 43,461.96-65,197.19-13,872.66

Finding the Fourth Proportional to 43,461.96, 65,197.19 and 13,872.66

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Solution

The fourth proportional to 43,461.96, 65,197.19 and 13,872.66 is: 20,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.96 : 65,197.19 = 13,872.66 : x
  2. Step 2: Convert to fraction form
    43,461.96/65,197.19 = 13,872.66/x
  3. Step 3: Cross multiply
    43,461.96x = 65,197.19 × 13,872.66
  4. Step 4: Simplify right side
    43,461.96x = 904,458,449.83
  5. Step 5: Solve for x
    x = 904,458,449.83/43,461.96
  6. Step 6: Final answer
    x = 20,810.35

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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.