Home / 54,619.10-81,908.82-19,070.44

Finding the Fourth Proportional to 54,619.10, 81,908.82 and 19,070.44

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Solution

The fourth proportional to 54,619.10, 81,908.82 and 19,070.44 is: 28,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.10 : 81,908.82 = 19,070.44 : x
  2. Step 2: Convert to fraction form
    54,619.10/81,908.82 = 19,070.44/x
  3. Step 3: Cross multiply
    54,619.10x = 81,908.82 × 19,070.44
  4. Step 4: Simplify right side
    54,619.10x = 1,562,037,032.51
  5. Step 5: Solve for x
    x = 1,562,037,032.51/54,619.10
  6. Step 6: Final answer
    x = 28,598.73

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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.