Home / 40,744.44-61,117.94-12,664.64

Finding the Fourth Proportional to 40,744.44, 61,117.94 and 12,664.64

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Solution

The fourth proportional to 40,744.44, 61,117.94 and 12,664.64 is: 18,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.44 : 61,117.94 = 12,664.64 : x
  2. Step 2: Convert to fraction form
    40,744.44/61,117.94 = 12,664.64/x
  3. Step 3: Cross multiply
    40,744.44x = 61,117.94 × 12,664.64
  4. Step 4: Simplify right side
    40,744.44x = 774,036,892.10
  5. Step 5: Solve for x
    x = 774,036,892.10/40,744.44
  6. Step 6: Final answer
    x = 18,997.36

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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.