Home / 54,119.85-74,684.04-30,246.69

Finding the Fourth Proportional to 54,119.85, 74,684.04 and 30,246.69

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Solution

The fourth proportional to 54,119.85, 74,684.04 and 30,246.69 is: 41,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.85 : 74,684.04 = 30,246.69 : x
  2. Step 2: Convert to fraction form
    54,119.85/74,684.04 = 30,246.69/x
  3. Step 3: Cross multiply
    54,119.85x = 74,684.04 × 30,246.69
  4. Step 4: Simplify right side
    54,119.85x = 2,258,945,005.83
  5. Step 5: Solve for x
    x = 2,258,945,005.83/54,119.85
  6. Step 6: Final answer
    x = 41,739.68

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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.