Home / 74,928.94-103,409.08-40,942.59

Finding the Fourth Proportional to 74,928.94, 103,409.08 and 40,942.59

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Solution

The fourth proportional to 74,928.94, 103,409.08 and 40,942.59 is: 56,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.94 : 103,409.08 = 40,942.59 : x
  2. Step 2: Convert to fraction form
    74,928.94/103,409.08 = 40,942.59/x
  3. Step 3: Cross multiply
    74,928.94x = 103,409.08 × 40,942.59
  4. Step 4: Simplify right side
    74,928.94x = 4,233,835,564.72
  5. Step 5: Solve for x
    x = 4,233,835,564.72/74,928.94
  6. Step 6: Final answer
    x = 56,504.68

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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.