Home / 72,857.08-109,248.02-33,380.36

Finding the Fourth Proportional to 72,857.08, 109,248.02 and 33,380.36

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Solution

The fourth proportional to 72,857.08, 109,248.02 and 33,380.36 is: 50,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,857.08 : 109,248.02 = 33,380.36 : x
  2. Step 2: Convert to fraction form
    72,857.08/109,248.02 = 33,380.36/x
  3. Step 3: Cross multiply
    72,857.08x = 109,248.02 × 33,380.36
  4. Step 4: Simplify right side
    72,857.08x = 3,646,738,236.89
  5. Step 5: Solve for x
    x = 3,646,738,236.89/72,857.08
  6. Step 6: Final answer
    x = 50,053.31

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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.