Home / 74,694.22-103,076.68-40,703.01

Finding the Fourth Proportional to 74,694.22, 103,076.68 and 40,703.01

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Solution

The fourth proportional to 74,694.22, 103,076.68 and 40,703.01 is: 56,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694.22 : 103,076.68 = 40,703.01 : x
  2. Step 2: Convert to fraction form
    74,694.22/103,076.68 = 40,703.01/x
  3. Step 3: Cross multiply
    74,694.22x = 103,076.68 × 40,703.01
  4. Step 4: Simplify right side
    74,694.22x = 4,195,531,136.81
  5. Step 5: Solve for x
    x = 4,195,531,136.81/74,694.22
  6. Step 6: Final answer
    x = 56,169.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.