Finding the Fourth Proportional to 83,268.84, 114,913.76 and 45,543.09
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Solution
The fourth proportional to 83,268.84, 114,913.76 and 45,543.09 is: 62,850.97
Step by Step Solution
- Step 1: Write the proportion equation
83,268.84 : 114,913.76 = 45,543.09 : x - Step 2: Convert to fraction form
83,268.84/114,913.76 = 45,543.09/x - Step 3: Cross multiply
83,268.84x = 114,913.76 × 45,543.09 - Step 4: Simplify right side
83,268.84x = 5,233,527,917.13 - Step 5: Solve for x
x = 5,233,527,917.13/83,268.84 - Step 6: Final answer
x = 62,850.97
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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.