Finding the Fourth Proportional to 75,938.69, 104,801.12 and 43,683.17
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Solution
The fourth proportional to 75,938.69, 104,801.12 and 43,683.17 is: 60,286.07
Step by Step Solution
- Step 1: Write the proportion equation
75,938.69 : 104,801.12 = 43,683.17 : x - Step 2: Convert to fraction form
75,938.69/104,801.12 = 43,683.17/x - Step 3: Cross multiply
75,938.69x = 104,801.12 × 43,683.17 - Step 4: Simplify right side
75,938.69x = 4,578,045,141.15 - Step 5: Solve for x
x = 4,578,045,141.15/75,938.69 - Step 6: Final answer
x = 60,286.07
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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.