Home / 64,131.18-96,072.21-30,874.60

Finding the Fourth Proportional to 64,131.18, 96,072.21 and 30,874.60

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Solution

The fourth proportional to 64,131.18, 96,072.21 and 30,874.60 is: 46,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.18 : 96,072.21 = 30,874.60 : x
  2. Step 2: Convert to fraction form
    64,131.18/96,072.21 = 30,874.60/x
  3. Step 3: Cross multiply
    64,131.18x = 96,072.21 × 30,874.60
  4. Step 4: Simplify right side
    64,131.18x = 2,966,191,174.96
  5. Step 5: Solve for x
    x = 2,966,191,174.96/64,131.18
  6. Step 6: Final answer
    x = 46,251.94

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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.