Home / 54,509.87-81,763.79-17,070.05

Finding the Fourth Proportional to 54,509.87, 81,763.79 and 17,070.05

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Solution

The fourth proportional to 54,509.87, 81,763.79 and 17,070.05 is: 25,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,509.87 : 81,763.79 = 17,070.05 : x
  2. Step 2: Convert to fraction form
    54,509.87/81,763.79 = 17,070.05/x
  3. Step 3: Cross multiply
    54,509.87x = 81,763.79 × 17,070.05
  4. Step 4: Simplify right side
    54,509.87x = 1,395,711,489.32
  5. Step 5: Solve for x
    x = 1,395,711,489.32/54,509.87
  6. Step 6: Final answer
    x = 25,604.75

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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.