Home / 54,084.56-81,131.12-19,032.08

Finding the Fourth Proportional to 54,084.56, 81,131.12 and 19,032.08

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Solution

The fourth proportional to 54,084.56, 81,131.12 and 19,032.08 is: 28,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.56 : 81,131.12 = 19,032.08 : x
  2. Step 2: Convert to fraction form
    54,084.56/81,131.12 = 19,032.08/x
  3. Step 3: Cross multiply
    54,084.56x = 81,131.12 × 19,032.08
  4. Step 4: Simplify right side
    54,084.56x = 1,544,093,966.33
  5. Step 5: Solve for x
    x = 1,544,093,966.33/54,084.56
  6. Step 6: Final answer
    x = 28,549.63

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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.