Home / 108,429.20-162,692.40-49,234.40

Finding the Fourth Proportional to 108,429.20, 162,692.40 and 49,234.40

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Solution

The fourth proportional to 108,429.20, 162,692.40 and 49,234.40 is: 73,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,429.20 : 162,692.40 = 49,234.40 : x
  2. Step 2: Convert to fraction form
    108,429.20/162,692.40 = 49,234.40/x
  3. Step 3: Cross multiply
    108,429.20x = 162,692.40 × 49,234.40
  4. Step 4: Simplify right side
    108,429.20x = 8,010,062,698.56
  5. Step 5: Solve for x
    x = 8,010,062,698.56/108,429.20
  6. Step 6: Final answer
    x = 73,873.67

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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.