Finding the Fourth Proportional to 88,341.84, 121,910.54 and 48,054.74
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Solution
The fourth proportional to 88,341.84, 121,910.54 and 48,054.74 is: 66,314.89
Step by Step Solution
- Step 1: Write the proportion equation
88,341.84 : 121,910.54 = 48,054.74 : x - Step 2: Convert to fraction form
88,341.84/121,910.54 = 48,054.74/x - Step 3: Cross multiply
88,341.84x = 121,910.54 × 48,054.74 - Step 4: Simplify right side
88,341.84x = 5,858,379,302.96 - Step 5: Solve for x
x = 5,858,379,302.96/88,341.84 - Step 6: Final answer
x = 66,314.89
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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.