Home / 54,079.24-74,629.20-30,205.96

Finding the Fourth Proportional to 54,079.24, 74,629.20 and 30,205.96

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Solution

The fourth proportional to 54,079.24, 74,629.20 and 30,205.96 is: 41,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.24 : 74,629.20 = 30,205.96 : x
  2. Step 2: Convert to fraction form
    54,079.24/74,629.20 = 30,205.96/x
  3. Step 3: Cross multiply
    54,079.24x = 74,629.20 × 30,205.96
  4. Step 4: Simplify right side
    54,079.24x = 2,254,246,630.03
  5. Step 5: Solve for x
    x = 2,254,246,630.03/54,079.24
  6. Step 6: Final answer
    x = 41,684.14

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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.