Home / 88,821.74-133,241.49-25,643.41

Finding the Fourth Proportional to 88,821.74, 133,241.49 and 25,643.41

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Solution

The fourth proportional to 88,821.74, 133,241.49 and 25,643.41 is: 38,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821.74 : 133,241.49 = 25,643.41 : x
  2. Step 2: Convert to fraction form
    88,821.74/133,241.49 = 25,643.41/x
  3. Step 3: Cross multiply
    88,821.74x = 133,241.49 × 25,643.41
  4. Step 4: Simplify right side
    88,821.74x = 3,416,765,823.98
  5. Step 5: Solve for x
    x = 3,416,765,823.98/88,821.74
  6. Step 6: Final answer
    x = 38,467.67

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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.