Finding the Fourth Proportional to 98,680.62, 147,909.96 and 48,654.84
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Solution
The fourth proportional to 98,680.62, 147,909.96 and 48,654.84 is: 72,927.55
Step by Step Solution
- Step 1: Write the proportion equation
98,680.62 : 147,909.96 = 48,654.84 : x - Step 2: Convert to fraction form
98,680.62/147,909.96 = 48,654.84/x - Step 3: Cross multiply
98,680.62x = 147,909.96 × 48,654.84 - Step 4: Simplify right side
98,680.62x = 7,196,535,438.21 - Step 5: Solve for x
x = 7,196,535,438.21/98,680.62 - Step 6: Final answer
x = 72,927.55
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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.