Home / 54,970.14-82,445.73-15,518.04

Finding the Fourth Proportional to 54,970.14, 82,445.73 and 15,518.04

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Solution

The fourth proportional to 54,970.14, 82,445.73 and 15,518.04 is: 23,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.14 : 82,445.73 = 15,518.04 : x
  2. Step 2: Convert to fraction form
    54,970.14/82,445.73 = 15,518.04/x
  3. Step 3: Cross multiply
    54,970.14x = 82,445.73 × 15,518.04
  4. Step 4: Simplify right side
    54,970.14x = 1,279,396,135.97
  5. Step 5: Solve for x
    x = 1,279,396,135.97/54,970.14
  6. Step 6: Final answer
    x = 23,274.38

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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.