Finding the Fourth Proportional to 119,976.29, 165,492.21 and 71,544.26
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Solution
The fourth proportional to 119,976.29, 165,492.21 and 71,544.26 is: 98,686.32
Step by Step Solution
- Step 1: Write the proportion equation
119,976.29 : 165,492.21 = 71,544.26 : x - Step 2: Convert to fraction form
119,976.29/165,492.21 = 71,544.26/x - Step 3: Cross multiply
119,976.29x = 165,492.21 × 71,544.26 - Step 4: Simplify right side
119,976.29x = 11,840,018,382.24 - Step 5: Solve for x
x = 11,840,018,382.24/119,976.29 - Step 6: Final answer
x = 98,686.32
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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.