Home / 110,421.20-152,369.16-62,022.80

Finding the Fourth Proportional to 110,421.20, 152,369.16 and 62,022.80

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Solution

The fourth proportional to 110,421.20, 152,369.16 and 62,022.80 is: 85,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.20 : 152,369.16 = 62,022.80 : x
  2. Step 2: Convert to fraction form
    110,421.20/152,369.16 = 62,022.80/x
  3. Step 3: Cross multiply
    110,421.20x = 152,369.16 × 62,022.80
  4. Step 4: Simplify right side
    110,421.20x = 9,450,361,936.85
  5. Step 5: Solve for x
    x = 9,450,361,936.85/110,421.20
  6. Step 6: Final answer
    x = 85,584.67

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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.