Finding the Fourth Proportional to 117,689.03, 162,424.46 and 69,941.96
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Solution
The fourth proportional to 117,689.03, 162,424.46 and 69,941.96 is: 96,527.99
Step by Step Solution
- Step 1: Write the proportion equation
117,689.03 : 162,424.46 = 69,941.96 : x - Step 2: Convert to fraction form
117,689.03/162,424.46 = 69,941.96/x - Step 3: Cross multiply
117,689.03x = 162,424.46 × 69,941.96 - Step 4: Simplify right side
117,689.03x = 11,360,284,447.07 - Step 5: Solve for x
x = 11,360,284,447.07/117,689.03 - Step 6: Final answer
x = 96,527.99
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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.