Finding the Fourth Proportional to 94,117.70, 129,882.64 and 51,678.96
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Solution
The fourth proportional to 94,117.70, 129,882.64 and 51,678.96 is: 71,317.08
Step by Step Solution
- Step 1: Write the proportion equation
94,117.70 : 129,882.64 = 51,678.96 : x - Step 2: Convert to fraction form
94,117.70/129,882.64 = 51,678.96/x - Step 3: Cross multiply
94,117.70x = 129,882.64 × 51,678.96 - Step 4: Simplify right side
94,117.70x = 6,712,199,757.25 - Step 5: Solve for x
x = 6,712,199,757.25/94,117.70 - Step 6: Final answer
x = 71,317.08
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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.