Home / 67,729.10-101,544.44-28,297.49

Finding the Fourth Proportional to 67,729.10, 101,544.44 and 28,297.49

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Solution

The fourth proportional to 67,729.10, 101,544.44 and 28,297.49 is: 42,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.10 : 101,544.44 = 28,297.49 : x
  2. Step 2: Convert to fraction form
    67,729.10/101,544.44 = 28,297.49/x
  3. Step 3: Cross multiply
    67,729.10x = 101,544.44 × 28,297.49
  4. Step 4: Simplify right side
    67,729.10x = 2,873,452,126.25
  5. Step 5: Solve for x
    x = 2,873,452,126.25/67,729.10
  6. Step 6: Final answer
    x = 42,425.67

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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.