Home / 54,125.36-81,195.69-16,688.48

Finding the Fourth Proportional to 54,125.36, 81,195.69 and 16,688.48

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Solution

The fourth proportional to 54,125.36, 81,195.69 and 16,688.48 is: 25,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125.36 : 81,195.69 = 16,688.48 : x
  2. Step 2: Convert to fraction form
    54,125.36/81,195.69 = 16,688.48/x
  3. Step 3: Cross multiply
    54,125.36x = 81,195.69 × 16,688.48
  4. Step 4: Simplify right side
    54,125.36x = 1,355,032,648.65
  5. Step 5: Solve for x
    x = 1,355,032,648.65/54,125.36
  6. Step 6: Final answer
    x = 25,035.08

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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.