Home / 74,261.54-111,421.46-32,679.38

Finding the Fourth Proportional to 74,261.54, 111,421.46 and 32,679.38

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Solution

The fourth proportional to 74,261.54, 111,421.46 and 32,679.38 is: 49,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.54 : 111,421.46 = 32,679.38 : x
  2. Step 2: Convert to fraction form
    74,261.54/111,421.46 = 32,679.38/x
  3. Step 3: Cross multiply
    74,261.54x = 111,421.46 × 32,679.38
  4. Step 4: Simplify right side
    74,261.54x = 3,641,183,756.09
  5. Step 5: Solve for x
    x = 3,641,183,756.09/74,261.54
  6. Step 6: Final answer
    x = 49,031.89

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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.