Finding the Fourth Proportional to 94,117.68, 129,882.60 and 51,678.90
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Solution
The fourth proportional to 94,117.68, 129,882.60 and 51,678.90 is: 71,316.99
Step by Step Solution
- Step 1: Write the proportion equation
94,117.68 : 129,882.60 = 51,678.90 : x - Step 2: Convert to fraction form
94,117.68/129,882.60 = 51,678.90/x - Step 3: Cross multiply
94,117.68x = 129,882.60 × 51,678.90 - Step 4: Simplify right side
94,117.68x = 6,712,189,897.14 - Step 5: Solve for x
x = 6,712,189,897.14/94,117.68 - Step 6: Final answer
x = 71,316.99
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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.