Finding the Fourth Proportional to 87,998.14, 121,537.67 and 59,654.62
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Solution
The fourth proportional to 87,998.14, 121,537.67 and 59,654.62 is: 82,391.32
Step by Step Solution
- Step 1: Write the proportion equation
87,998.14 : 121,537.67 = 59,654.62 : x - Step 2: Convert to fraction form
87,998.14/121,537.67 = 59,654.62/x - Step 3: Cross multiply
87,998.14x = 121,537.67 × 59,654.62 - Step 4: Simplify right side
87,998.14x = 7,250,283,373.18 - Step 5: Solve for x
x = 7,250,283,373.18/87,998.14 - Step 6: Final answer
x = 82,391.32
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1.5x scale
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.