Home / 74,578.14-111,908.21-35,134.25

Finding the Fourth Proportional to 74,578.14, 111,908.21 and 35,134.25

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Solution

The fourth proportional to 74,578.14, 111,908.21 and 35,134.25 is: 52,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,578.14 : 111,908.21 = 35,134.25 : x
  2. Step 2: Convert to fraction form
    74,578.14/111,908.21 = 35,134.25/x
  3. Step 3: Cross multiply
    74,578.14x = 111,908.21 × 35,134.25
  4. Step 4: Simplify right side
    74,578.14x = 3,931,810,291.98
  5. Step 5: Solve for x
    x = 3,931,810,291.98/74,578.14
  6. Step 6: Final answer
    x = 52,720.68

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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.