Home / 54,541.67-81,813.51-17,100.90

Finding the Fourth Proportional to 54,541.67, 81,813.51 and 17,100.90

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Solution

The fourth proportional to 54,541.67, 81,813.51 and 17,100.90 is: 25,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.67 : 81,813.51 = 17,100.90 : x
  2. Step 2: Convert to fraction form
    54,541.67/81,813.51 = 17,100.90/x
  3. Step 3: Cross multiply
    54,541.67x = 81,813.51 × 17,100.90
  4. Step 4: Simplify right side
    54,541.67x = 1,399,084,653.16
  5. Step 5: Solve for x
    x = 1,399,084,653.16/54,541.67
  6. Step 6: Final answer
    x = 25,651.67

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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.