Finding the Fourth Proportional to 86,276.35, 129,395.08 and 33,658.75
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Solution
The fourth proportional to 86,276.35, 129,395.08 and 33,658.75 is: 50,480.53
Step by Step Solution
- Step 1: Write the proportion equation
86,276.35 : 129,395.08 = 33,658.75 : x - Step 2: Convert to fraction form
86,276.35/129,395.08 = 33,658.75/x - Step 3: Cross multiply
86,276.35x = 129,395.08 × 33,658.75 - Step 4: Simplify right side
86,276.35x = 4,355,275,833.68 - Step 5: Solve for x
x = 4,355,275,833.68/86,276.35 - Step 6: Final answer
x = 50,480.53
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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.