Finding the Fourth Proportional to 84,738.03, 116,938.62 and 47,012.28
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Solution
The fourth proportional to 84,738.03, 116,938.62 and 47,012.28 is: 64,877.02
Step by Step Solution
- Step 1: Write the proportion equation
84,738.03 : 116,938.62 = 47,012.28 : x - Step 2: Convert to fraction form
84,738.03/116,938.62 = 47,012.28/x - Step 3: Cross multiply
84,738.03x = 116,938.62 × 47,012.28 - Step 4: Simplify right side
84,738.03x = 5,497,551,146.25 - Step 5: Solve for x
x = 5,497,551,146.25/84,738.03 - Step 6: Final answer
x = 64,877.02
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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.