Finding the Fourth Proportional to 94,008.91, 129,658.98 and 58,218.79
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Solution
The fourth proportional to 94,008.91, 129,658.98 and 58,218.79 is: 80,296.53
Step by Step Solution
- Step 1: Write the proportion equation
94,008.91 : 129,658.98 = 58,218.79 : x - Step 2: Convert to fraction form
94,008.91/129,658.98 = 58,218.79/x - Step 3: Cross multiply
94,008.91x = 129,658.98 × 58,218.79 - Step 4: Simplify right side
94,008.91x = 7,548,588,928.23 - Step 5: Solve for x
x = 7,548,588,928.23/94,008.91 - Step 6: Final answer
x = 80,296.53
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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.