Finding the Fourth Proportional to 107,911.07, 148,917.92 and 62,616.02
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Solution
The fourth proportional to 107,911.07, 148,917.92 and 62,616.02 is: 86,410.48
Step by Step Solution
- Step 1: Write the proportion equation
107,911.07 : 148,917.92 = 62,616.02 : x - Step 2: Convert to fraction form
107,911.07/148,917.92 = 62,616.02/x - Step 3: Cross multiply
107,911.07x = 148,917.92 × 62,616.02 - Step 4: Simplify right side
107,911.07x = 9,324,647,457.08 - Step 5: Solve for x
x = 9,324,647,457.08/107,911.07 - Step 6: Final answer
x = 86,410.48
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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.