Finding the Fourth Proportional to 88,703.49, 122,409.86 and 48,416.93
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Solution
The fourth proportional to 88,703.49, 122,409.86 and 48,416.93 is: 66,814.84
Step by Step Solution
- Step 1: Write the proportion equation
88,703.49 : 122,409.86 = 48,416.93 : x - Step 2: Convert to fraction form
88,703.49/122,409.86 = 48,416.93/x - Step 3: Cross multiply
88,703.49x = 122,409.86 × 48,416.93 - Step 4: Simplify right side
88,703.49x = 5,926,709,622.93 - Step 5: Solve for x
x = 5,926,709,622.93/88,703.49 - Step 6: Final answer
x = 66,814.84
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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.