Home / 74,201.64-111,329.82-34,771.56

Finding the Fourth Proportional to 74,201.64, 111,329.82 and 34,771.56

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Solution

The fourth proportional to 74,201.64, 111,329.82 and 34,771.56 is: 52,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.64 : 111,329.82 = 34,771.56 : x
  2. Step 2: Convert to fraction form
    74,201.64/111,329.82 = 34,771.56/x
  3. Step 3: Cross multiply
    74,201.64x = 111,329.82 × 34,771.56
  4. Step 4: Simplify right side
    74,201.64x = 3,871,111,515.92
  5. Step 5: Solve for x
    x = 3,871,111,515.92/74,201.64
  6. Step 6: Final answer
    x = 52,170.16

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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.