Finding the Fourth Proportional to 84,561.72, 116,706.60 and 48,751.08
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Solution
The fourth proportional to 84,561.72, 116,706.60 and 48,751.08 is: 67,283.08
Step by Step Solution
- Step 1: Write the proportion equation
84,561.72 : 116,706.60 = 48,751.08 : x - Step 2: Convert to fraction form
84,561.72/116,706.60 = 48,751.08/x - Step 3: Cross multiply
84,561.72x = 116,706.60 × 48,751.08 - Step 4: Simplify right side
84,561.72x = 5,689,572,793.13 - Step 5: Solve for x
x = 5,689,572,793.13/84,561.72 - Step 6: Final answer
x = 67,283.08
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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.