Finding the Fourth Proportional to 85,619.48, 118,149.86 and 47,376.84
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Solution
The fourth proportional to 85,619.48, 118,149.86 and 47,376.84 is: 65,377.26
Step by Step Solution
- Step 1: Write the proportion equation
85,619.48 : 118,149.86 = 47,376.84 : x - Step 2: Convert to fraction form
85,619.48/118,149.86 = 47,376.84/x - Step 3: Cross multiply
85,619.48x = 118,149.86 × 47,376.84 - Step 4: Simplify right side
85,619.48x = 5,597,567,013.24 - Step 5: Solve for x
x = 5,597,567,013.24/85,619.48 - Step 6: Final answer
x = 65,377.26
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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.