Finding the Fourth Proportional to 107,452.08, 148,261.32 and 65,013.84
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Solution
The fourth proportional to 107,452.08, 148,261.32 and 65,013.84 is: 89,705.46
Step by Step Solution
- Step 1: Write the proportion equation
107,452.08 : 148,261.32 = 65,013.84 : x - Step 2: Convert to fraction form
107,452.08/148,261.32 = 65,013.84/x - Step 3: Cross multiply
107,452.08x = 148,261.32 × 65,013.84 - Step 4: Simplify right side
107,452.08x = 9,639,037,736.67 - Step 5: Solve for x
x = 9,639,037,736.67/107,452.08 - Step 6: Final answer
x = 89,705.46
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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.