Home / 110,586-152,556.12-74,788.56

Finding the Fourth Proportional to 110,586, 152,556.12 and 74,788.56

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Solution

The fourth proportional to 110,586, 152,556.12 and 74,788.56 is: 103,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,586 : 152,556.12 = 74,788.56 : x
  2. Step 2: Convert to fraction form
    110,586/152,556.12 = 74,788.56/x
  3. Step 3: Cross multiply
    110,586x = 152,556.12 × 74,788.56
  4. Step 4: Simplify right side
    110,586x = 11,409,452,533.99
  5. Step 5: Solve for x
    x = 11,409,452,533.99/110,586
  6. Step 6: Final answer
    x = 103,172.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.