Home / 54,172.10-81,266.81-16,723.37

Finding the Fourth Proportional to 54,172.10, 81,266.81 and 16,723.37

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Solution

The fourth proportional to 54,172.10, 81,266.81 and 16,723.37 is: 25,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.10 : 81,266.81 = 16,723.37 : x
  2. Step 2: Convert to fraction form
    54,172.10/81,266.81 = 16,723.37/x
  3. Step 3: Cross multiply
    54,172.10x = 81,266.81 × 16,723.37
  4. Step 4: Simplify right side
    54,172.10x = 1,359,054,594.77
  5. Step 5: Solve for x
    x = 1,359,054,594.77/54,172.10
  6. Step 6: Final answer
    x = 25,087.72

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1.5x scale

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.