Finding the Fourth Proportional to 88,876.86, 133,322.18 and 29,712.75
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Solution
The fourth proportional to 88,876.86, 133,322.18 and 29,712.75 is: 44,571.43
Step by Step Solution
- Step 1: Write the proportion equation
88,876.86 : 133,322.18 = 29,712.75 : x - Step 2: Convert to fraction form
88,876.86/133,322.18 = 29,712.75/x - Step 3: Cross multiply
88,876.86x = 133,322.18 × 29,712.75 - Step 4: Simplify right side
88,876.86x = 3,961,368,455.23 - Step 5: Solve for x
x = 3,961,368,455.23/88,876.86 - Step 6: Final answer
x = 44,571.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.