Finding the Fourth Proportional to 88,979.08, 122,778.99 and 53,161.48
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Solution
The fourth proportional to 88,979.08, 122,778.99 and 53,161.48 is: 73,355.59
Step by Step Solution
- Step 1: Write the proportion equation
88,979.08 : 122,778.99 = 53,161.48 : x - Step 2: Convert to fraction form
88,979.08/122,778.99 = 53,161.48/x - Step 3: Cross multiply
88,979.08x = 122,778.99 × 53,161.48 - Step 4: Simplify right side
88,979.08x = 6,527,112,821.31 - Step 5: Solve for x
x = 6,527,112,821.31/88,979.08 - Step 6: Final answer
x = 73,355.59
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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.