Home / 74,169.30-111,137.25-57,343.41

Finding the Fourth Proportional to 74,169.30, 111,137.25 and 57,343.41

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Solution

The fourth proportional to 74,169.30, 111,137.25 and 57,343.41 is: 85,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.30 : 111,137.25 = 57,343.41 : x
  2. Step 2: Convert to fraction form
    74,169.30/111,137.25 = 57,343.41/x
  3. Step 3: Cross multiply
    74,169.30x = 111,137.25 × 57,343.41
  4. Step 4: Simplify right side
    74,169.30x = 6,372,988,893.02
  5. Step 5: Solve for x
    x = 6,372,988,893.02/74,169.30
  6. Step 6: Final answer
    x = 85,924.89

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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.