Home / 55,262.46-82,901.90-19,721.01

Finding the Fourth Proportional to 55,262.46, 82,901.90 and 19,721.01

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Solution

The fourth proportional to 55,262.46, 82,901.90 and 19,721.01 is: 29,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.46 : 82,901.90 = 19,721.01 : x
  2. Step 2: Convert to fraction form
    55,262.46/82,901.90 = 19,721.01/x
  3. Step 3: Cross multiply
    55,262.46x = 82,901.90 × 19,721.01
  4. Step 4: Simplify right side
    55,262.46x = 1,634,909,100.31
  5. Step 5: Solve for x
    x = 1,634,909,100.31/55,262.46
  6. Step 6: Final answer
    x = 29,584.44

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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.