Home / 54,145.63-81,216.60-19,084.39

Finding the Fourth Proportional to 54,145.63, 81,216.60 and 19,084.39

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Solution

The fourth proportional to 54,145.63, 81,216.60 and 19,084.39 is: 28,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.63 : 81,216.60 = 19,084.39 : x
  2. Step 2: Convert to fraction form
    54,145.63/81,216.60 = 19,084.39/x
  3. Step 3: Cross multiply
    54,145.63x = 81,216.60 × 19,084.39
  4. Step 4: Simplify right side
    54,145.63x = 1,549,969,268.87
  5. Step 5: Solve for x
    x = 1,549,969,268.87/54,145.63
  6. Step 6: Final answer
    x = 28,625.93

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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.