Finding the Fourth Proportional to 88,715.08, 122,430.44 and 48,431.56
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Solution
The fourth proportional to 88,715.08, 122,430.44 and 48,431.56 is: 66,837.53
Step by Step Solution
- Step 1: Write the proportion equation
88,715.08 : 122,430.44 = 48,431.56 : x - Step 2: Convert to fraction form
88,715.08/122,430.44 = 48,431.56/x - Step 3: Cross multiply
88,715.08x = 122,430.44 × 48,431.56 - Step 4: Simplify right side
88,715.08x = 5,929,497,200.69 - Step 5: Solve for x
x = 5,929,497,200.69/88,715.08 - Step 6: Final answer
x = 66,837.53
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1.5x scale
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.