Home / 74,840.59-112,194.87-30,504.43

Finding the Fourth Proportional to 74,840.59, 112,194.87 and 30,504.43

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Solution

The fourth proportional to 74,840.59, 112,194.87 and 30,504.43 is: 45,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,840.59 : 112,194.87 = 30,504.43 : x
  2. Step 2: Convert to fraction form
    74,840.59/112,194.87 = 30,504.43/x
  3. Step 3: Cross multiply
    74,840.59x = 112,194.87 × 30,504.43
  4. Step 4: Simplify right side
    74,840.59x = 3,422,440,558.27
  5. Step 5: Solve for x
    x = 3,422,440,558.27/74,840.59
  6. Step 6: Final answer
    x = 45,729.74

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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.