Home / 54,464.63-81,664.67-20,733.18

Finding the Fourth Proportional to 54,464.63, 81,664.67 and 20,733.18

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Solution

The fourth proportional to 54,464.63, 81,664.67 and 20,733.18 is: 31,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464.63 : 81,664.67 = 20,733.18 : x
  2. Step 2: Convert to fraction form
    54,464.63/81,664.67 = 20,733.18/x
  3. Step 3: Cross multiply
    54,464.63x = 81,664.67 × 20,733.18
  4. Step 4: Simplify right side
    54,464.63x = 1,693,168,199.08
  5. Step 5: Solve for x
    x = 1,693,168,199.08/54,464.63
  6. Step 6: Final answer
    x = 31,087.48

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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.