Finding the Fourth Proportional to 68,865.56, 103,201.14 and 29,408.84
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Solution
The fourth proportional to 68,865.56, 103,201.14 and 29,408.84 is: 44,071.75
Step by Step Solution
- Step 1: Write the proportion equation
68,865.56 : 103,201.14 = 29,408.84 : x - Step 2: Convert to fraction form
68,865.56/103,201.14 = 29,408.84/x - Step 3: Cross multiply
68,865.56x = 103,201.14 × 29,408.84 - Step 4: Simplify right side
68,865.56x = 3,035,025,814.08 - Step 5: Solve for x
x = 3,035,025,814.08/68,865.56 - Step 6: Final answer
x = 44,071.75
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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.