Home / 74,401.52-111,507.30-34,871.54

Finding the Fourth Proportional to 74,401.52, 111,507.30 and 34,871.54

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Solution

The fourth proportional to 74,401.52, 111,507.30 and 34,871.54 is: 52,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.52 : 111,507.30 = 34,871.54 : x
  2. Step 2: Convert to fraction form
    74,401.52/111,507.30 = 34,871.54/x
  3. Step 3: Cross multiply
    74,401.52x = 111,507.30 × 34,871.54
  4. Step 4: Simplify right side
    74,401.52x = 3,888,431,272.24
  5. Step 5: Solve for x
    x = 3,888,431,272.24/74,401.52
  6. Step 6: Final answer
    x = 52,262.79

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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.