Finding the Fourth Proportional to 71,531.01, 107,296.47 and 29,434.01
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Solution
The fourth proportional to 71,531.01, 107,296.47 and 29,434.01 is: 44,150.99
Step by Step Solution
- Step 1: Write the proportion equation
71,531.01 : 107,296.47 = 29,434.01 : x - Step 2: Convert to fraction form
71,531.01/107,296.47 = 29,434.01/x - Step 3: Cross multiply
71,531.01x = 107,296.47 × 29,434.01 - Step 4: Simplify right side
71,531.01x = 3,158,164,834.46 - Step 5: Solve for x
x = 3,158,164,834.46/71,531.01 - Step 6: Final answer
x = 44,150.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.