Finding the Fourth Proportional to 85,550.62, 118,060.60 and 47,312.74
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Solution
The fourth proportional to 85,550.62, 118,060.60 and 47,312.74 is: 65,291.99
Step by Step Solution
- Step 1: Write the proportion equation
85,550.62 : 118,060.60 = 47,312.74 : x - Step 2: Convert to fraction form
85,550.62/118,060.60 = 47,312.74/x - Step 3: Cross multiply
85,550.62x = 118,060.60 × 47,312.74 - Step 4: Simplify right side
85,550.62x = 5,585,770,472.04 - Step 5: Solve for x
x = 5,585,770,472.04/85,550.62 - Step 6: Final answer
x = 65,291.99
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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.