Home / 54,589.39-81,884.08-31,199.42

Finding the Fourth Proportional to 54,589.39, 81,884.08 and 31,199.42

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Solution

The fourth proportional to 54,589.39, 81,884.08 and 31,199.42 is: 46,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.39 : 81,884.08 = 31,199.42 : x
  2. Step 2: Convert to fraction form
    54,589.39/81,884.08 = 31,199.42/x
  3. Step 3: Cross multiply
    54,589.39x = 81,884.08 × 31,199.42
  4. Step 4: Simplify right side
    54,589.39x = 2,554,735,803.23
  5. Step 5: Solve for x
    x = 2,554,735,803.23/54,589.39
  6. Step 6: Final answer
    x = 46,799.13

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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.