Home / 43,664.66-65,449.59-28,665.48

Finding the Fourth Proportional to 43,664.66, 65,449.59 and 28,665.48

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Solution

The fourth proportional to 43,664.66, 65,449.59 and 28,665.48 is: 42,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.66 : 65,449.59 = 28,665.48 : x
  2. Step 2: Convert to fraction form
    43,664.66/65,449.59 = 28,665.48/x
  3. Step 3: Cross multiply
    43,664.66x = 65,449.59 × 28,665.48
  4. Step 4: Simplify right side
    43,664.66x = 1,876,143,913.15
  5. Step 5: Solve for x
    x = 1,876,143,913.15/43,664.66
  6. Step 6: Final answer
    x = 42,967.11

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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.