Home / 64,120.02-96,181.44-21,999.96

Finding the Fourth Proportional to 64,120.02, 96,181.44 and 21,999.96

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Solution

The fourth proportional to 64,120.02, 96,181.44 and 21,999.96 is: 33,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.02 : 96,181.44 = 21,999.96 : x
  2. Step 2: Convert to fraction form
    64,120.02/96,181.44 = 21,999.96/x
  3. Step 3: Cross multiply
    64,120.02x = 96,181.44 × 21,999.96
  4. Step 4: Simplify right side
    64,120.02x = 2,115,987,832.74
  5. Step 5: Solve for x
    x = 2,115,987,832.74/64,120.02
  6. Step 6: Final answer
    x = 33,000.42

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1.5x scale

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.