Home / 64,234.20-96,351.30-42,072.60

Finding the Fourth Proportional to 64,234.20, 96,351.30 and 42,072.60

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Solution

The fourth proportional to 64,234.20, 96,351.30 and 42,072.60 is: 63,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.20 : 96,351.30 = 42,072.60 : x
  2. Step 2: Convert to fraction form
    64,234.20/96,351.30 = 42,072.60/x
  3. Step 3: Cross multiply
    64,234.20x = 96,351.30 × 42,072.60
  4. Step 4: Simplify right side
    64,234.20x = 4,053,749,704.38
  5. Step 5: Solve for x
    x = 4,053,749,704.38/64,234.20
  6. Step 6: Final answer
    x = 63,108.90

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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.