Finding the Fourth Proportional to 88,703.10, 122,409.18 and 48,417.12
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Solution
The fourth proportional to 88,703.10, 122,409.18 and 48,417.12 is: 66,815.03
Step by Step Solution
- Step 1: Write the proportion equation
88,703.10 : 122,409.18 = 48,417.12 : x - Step 2: Convert to fraction form
88,703.10/122,409.18 = 48,417.12/x - Step 3: Cross multiply
88,703.10x = 122,409.18 × 48,417.12 - Step 4: Simplify right side
88,703.10x = 5,926,699,957.16 - Step 5: Solve for x
x = 5,926,699,957.16/88,703.10 - Step 6: Final answer
x = 66,815.03
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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.