Finding the Fourth Proportional to 86,406.75, 119,241.32 and 46,662.75
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Solution
The fourth proportional to 86,406.75, 119,241.32 and 46,662.75 is: 64,394.60
Step by Step Solution
- Step 1: Write the proportion equation
86,406.75 : 119,241.32 = 46,662.75 : x - Step 2: Convert to fraction form
86,406.75/119,241.32 = 46,662.75/x - Step 3: Cross multiply
86,406.75x = 119,241.32 × 46,662.75 - Step 4: Simplify right side
86,406.75x = 5,564,127,671.52 - Step 5: Solve for x
x = 5,564,127,671.52/86,406.75 - Step 6: Final answer
x = 64,394.60
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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.