Home / 74,297.26-111,445.51-18,137.67

Finding the Fourth Proportional to 74,297.26, 111,445.51 and 18,137.67

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Solution

The fourth proportional to 74,297.26, 111,445.51 and 18,137.67 is: 27,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,297.26 : 111,445.51 = 18,137.67 : x
  2. Step 2: Convert to fraction form
    74,297.26/111,445.51 = 18,137.67/x
  3. Step 3: Cross multiply
    74,297.26x = 111,445.51 × 18,137.67
  4. Step 4: Simplify right side
    74,297.26x = 2,021,361,883.36
  5. Step 5: Solve for x
    x = 2,021,361,883.36/74,297.26
  6. Step 6: Final answer
    x = 27,206.41

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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.