Finding the Fourth Proportional to 86,195.14, 118,947.02 and 47,952.74
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Solution
The fourth proportional to 86,195.14, 118,947.02 and 47,952.74 is: 66,173.52
Step by Step Solution
- Step 1: Write the proportion equation
86,195.14 : 118,947.02 = 47,952.74 : x - Step 2: Convert to fraction form
86,195.14/118,947.02 = 47,952.74/x - Step 3: Cross multiply
86,195.14x = 118,947.02 × 47,952.74 - Step 4: Simplify right side
86,195.14x = 5,703,835,581.44 - Step 5: Solve for x
x = 5,703,835,581.44/86,195.14 - Step 6: Final answer
x = 66,173.52
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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.