Finding the Fourth Proportional to 86,658.14, 130,006.66 and 27,495.74
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Solution
The fourth proportional to 86,658.14, 130,006.66 and 27,495.74 is: 41,249.78
Step by Step Solution
- Step 1: Write the proportion equation
86,658.14 : 130,006.66 = 27,495.74 : x - Step 2: Convert to fraction form
86,658.14/130,006.66 = 27,495.74/x - Step 3: Cross multiply
86,658.14x = 130,006.66 × 27,495.74 - Step 4: Simplify right side
86,658.14x = 3,574,629,321.63 - Step 5: Solve for x
x = 3,574,629,321.63/86,658.14 - Step 6: Final answer
x = 41,249.78
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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.