Home / 66,127.44-99,197.46-21,754.56

Finding the Fourth Proportional to 66,127.44, 99,197.46 and 21,754.56

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Solution

The fourth proportional to 66,127.44, 99,197.46 and 21,754.56 is: 32,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.44 : 99,197.46 = 21,754.56 : x
  2. Step 2: Convert to fraction form
    66,127.44/99,197.46 = 21,754.56/x
  3. Step 3: Cross multiply
    66,127.44x = 99,197.46 × 21,754.56
  4. Step 4: Simplify right side
    66,127.44x = 2,157,997,095.42
  5. Step 5: Solve for x
    x = 2,157,997,095.42/66,127.44
  6. Step 6: Final answer
    x = 32,633.91

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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.