Finding the Fourth Proportional to 97,306.70, 134,168.19 and 68,631.08
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Solution
The fourth proportional to 97,306.70, 134,168.19 and 68,631.08 is: 94,629.74
Step by Step Solution
- Step 1: Write the proportion equation
97,306.70 : 134,168.19 = 68,631.08 : x - Step 2: Convert to fraction form
97,306.70/134,168.19 = 68,631.08/x - Step 3: Cross multiply
97,306.70x = 134,168.19 × 68,631.08 - Step 4: Simplify right side
97,306.70x = 9,208,107,110.50 - Step 5: Solve for x
x = 9,208,107,110.50/97,306.70 - Step 6: Final answer
x = 94,629.74
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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.