Finding the Fourth Proportional to 122,629.23, 169,226.08 and 68,913.47
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Solution
The fourth proportional to 122,629.23, 169,226.08 and 68,913.47 is: 95,099.32
Step by Step Solution
- Step 1: Write the proportion equation
122,629.23 : 169,226.08 = 68,913.47 : x - Step 2: Convert to fraction form
122,629.23/169,226.08 = 68,913.47/x - Step 3: Cross multiply
122,629.23x = 169,226.08 × 68,913.47 - Step 4: Simplify right side
122,629.23x = 11,661,956,638.08 - Step 5: Solve for x
x = 11,661,956,638.08/122,629.23 - Step 6: Final answer
x = 95,099.32
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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.