Home / 54,121.14-74,685.69-30,247.92

Finding the Fourth Proportional to 54,121.14, 74,685.69 and 30,247.92

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Solution

The fourth proportional to 54,121.14, 74,685.69 and 30,247.92 is: 41,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.14 : 74,685.69 = 30,247.92 : x
  2. Step 2: Convert to fraction form
    54,121.14/74,685.69 = 30,247.92/x
  3. Step 3: Cross multiply
    54,121.14x = 74,685.69 × 30,247.92
  4. Step 4: Simplify right side
    54,121.14x = 2,259,086,776.26
  5. Step 5: Solve for x
    x = 2,259,086,776.26/54,121.14
  6. Step 6: Final answer
    x = 41,741.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.