Home / 48,106.73-72,172.26-20,018.36

Finding the Fourth Proportional to 48,106.73, 72,172.26 and 20,018.36

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Solution

The fourth proportional to 48,106.73, 72,172.26 and 20,018.36 is: 30,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,106.73 : 72,172.26 = 20,018.36 : x
  2. Step 2: Convert to fraction form
    48,106.73/72,172.26 = 20,018.36/x
  3. Step 3: Cross multiply
    48,106.73x = 72,172.26 × 20,018.36
  4. Step 4: Simplify right side
    48,106.73x = 1,444,770,282.69
  5. Step 5: Solve for x
    x = 1,444,770,282.69/48,106.73
  6. Step 6: Final answer
    x = 30,032.60

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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.