Finding the Fourth Proportional to 93,812.67, 129,460.19 and 51,371.19
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Solution
The fourth proportional to 93,812.67, 129,460.19 and 51,371.19 is: 70,891.53
Step by Step Solution
- Step 1: Write the proportion equation
93,812.67 : 129,460.19 = 51,371.19 : x - Step 2: Convert to fraction form
93,812.67/129,460.19 = 51,371.19/x - Step 3: Cross multiply
93,812.67x = 129,460.19 × 51,371.19 - Step 4: Simplify right side
93,812.67x = 6,650,523,761.07 - Step 5: Solve for x
x = 6,650,523,761.07/93,812.67 - Step 6: Final answer
x = 70,891.53
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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.