Home / 74,336.09-102,583.83-40,344.56

Finding the Fourth Proportional to 74,336.09, 102,583.83 and 40,344.56

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Solution

The fourth proportional to 74,336.09, 102,583.83 and 40,344.56 is: 55,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,336.09 : 102,583.83 = 40,344.56 : x
  2. Step 2: Convert to fraction form
    74,336.09/102,583.83 = 40,344.56/x
  3. Step 3: Cross multiply
    74,336.09x = 102,583.83 × 40,344.56
  4. Step 4: Simplify right side
    74,336.09x = 4,138,698,971.55
  5. Step 5: Solve for x
    x = 4,138,698,971.55/74,336.09
  6. Step 6: Final answer
    x = 55,675.50

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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.