Finding the Fourth Proportional to 88,715.44, 122,427.65 and 48,430.09
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Solution
The fourth proportional to 88,715.44, 122,427.65 and 48,430.09 is: 66,833.71
Step by Step Solution
- Step 1: Write the proportion equation
88,715.44 : 122,427.65 = 48,430.09 : x - Step 2: Convert to fraction form
88,715.44/122,427.65 = 48,430.09/x - Step 3: Cross multiply
88,715.44x = 122,427.65 × 48,430.09 - Step 4: Simplify right side
88,715.44x = 5,929,181,253.70 - Step 5: Solve for x
x = 5,929,181,253.70/88,715.44 - Step 6: Final answer
x = 66,833.71
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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.