Home / 64,181.21-96,272.09-42,134.09

Finding the Fourth Proportional to 64,181.21, 96,272.09 and 42,134.09

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Solution

The fourth proportional to 64,181.21, 96,272.09 and 42,134.09 is: 63,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,181.21 : 96,272.09 = 42,134.09 : x
  2. Step 2: Convert to fraction form
    64,181.21/96,272.09 = 42,134.09/x
  3. Step 3: Cross multiply
    64,181.21x = 96,272.09 × 42,134.09
  4. Step 4: Simplify right side
    64,181.21x = 4,056,336,693.88
  5. Step 5: Solve for x
    x = 4,056,336,693.88/64,181.21
  6. Step 6: Final answer
    x = 63,201.31

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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.