Finding the Fourth Proportional to 94,119.96, 129,887.64 and 51,678.66
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Solution
The fourth proportional to 94,119.96, 129,887.64 and 51,678.66 is: 71,317.70
Step by Step Solution
- Step 1: Write the proportion equation
94,119.96 : 129,887.64 = 51,678.66 : x - Step 2: Convert to fraction form
94,119.96/129,887.64 = 51,678.66/x - Step 3: Cross multiply
94,119.96x = 129,887.64 × 51,678.66 - Step 4: Simplify right side
94,119.96x = 6,712,419,185.76 - Step 5: Solve for x
x = 6,712,419,185.76/94,119.96 - Step 6: Final answer
x = 71,317.70
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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.