Home / 108,872.41-163,245.05-42,234.67

Finding the Fourth Proportional to 108,872.41, 163,245.05 and 42,234.67

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Solution

The fourth proportional to 108,872.41, 163,245.05 and 42,234.67 is: 63,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872.41 : 163,245.05 = 42,234.67 : x
  2. Step 2: Convert to fraction form
    108,872.41/163,245.05 = 42,234.67/x
  3. Step 3: Cross multiply
    108,872.41x = 163,245.05 × 42,234.67
  4. Step 4: Simplify right side
    108,872.41x = 6,894,600,815.88
  5. Step 5: Solve for x
    x = 6,894,600,815.88/108,872.41
  6. Step 6: Final answer
    x = 63,327.35

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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.