Finding the Fourth Proportional to 86,539.06, 129,813.31 and 27,370.31
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Solution
The fourth proportional to 86,539.06, 129,813.31 and 27,370.31 is: 41,056.96
Step by Step Solution
- Step 1: Write the proportion equation
86,539.06 : 129,813.31 = 27,370.31 : x - Step 2: Convert to fraction form
86,539.06/129,813.31 = 27,370.31/x - Step 3: Cross multiply
86,539.06x = 129,813.31 × 27,370.31 - Step 4: Simplify right side
86,539.06x = 3,553,030,399.97 - Step 5: Solve for x
x = 3,553,030,399.97/86,539.06 - Step 6: Final answer
x = 41,056.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.