Home / 54,216.42-74,804.43-31,240.59

Finding the Fourth Proportional to 54,216.42, 74,804.43 and 31,240.59

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Solution

The fourth proportional to 54,216.42, 74,804.43 and 31,240.59 is: 43,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.42 : 74,804.43 = 31,240.59 : x
  2. Step 2: Convert to fraction form
    54,216.42/74,804.43 = 31,240.59/x
  3. Step 3: Cross multiply
    54,216.42x = 74,804.43 × 31,240.59
  4. Step 4: Simplify right side
    54,216.42x = 2,336,934,527.81
  5. Step 5: Solve for x
    x = 2,336,934,527.81/54,216.42
  6. Step 6: Final answer
    x = 43,103.81

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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.