Home / 74,928.34-103,400.94-41,394.34

Finding the Fourth Proportional to 74,928.34, 103,400.94 and 41,394.34

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Solution

The fourth proportional to 74,928.34, 103,400.94 and 41,394.34 is: 57,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.34 : 103,400.94 = 41,394.34 : x
  2. Step 2: Convert to fraction form
    74,928.34/103,400.94 = 41,394.34/x
  3. Step 3: Cross multiply
    74,928.34x = 103,400.94 × 41,394.34
  4. Step 4: Simplify right side
    74,928.34x = 4,280,213,666.68
  5. Step 5: Solve for x
    x = 4,280,213,666.68/74,928.34
  6. Step 6: Final answer
    x = 57,124.10

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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.