Finding the Fourth Proportional to 88,663.70, 132,922.65 and 47,110.70
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Solution
The fourth proportional to 88,663.70, 132,922.65 and 47,110.70 is: 70,627.32
Step by Step Solution
- Step 1: Write the proportion equation
88,663.70 : 132,922.65 = 47,110.70 : x - Step 2: Convert to fraction form
88,663.70/132,922.65 = 47,110.70/x - Step 3: Cross multiply
88,663.70x = 132,922.65 × 47,110.70 - Step 4: Simplify right side
88,663.70x = 6,262,079,087.36 - Step 5: Solve for x
x = 6,262,079,087.36/88,663.70 - Step 6: Final answer
x = 70,627.32
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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.