Finding the Fourth Proportional to 91,645.68, 137,468.52 and 25,083.12
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Solution
The fourth proportional to 91,645.68, 137,468.52 and 25,083.12 is: 37,624.68
Step by Step Solution
- Step 1: Write the proportion equation
91,645.68 : 137,468.52 = 25,083.12 : x - Step 2: Convert to fraction form
91,645.68/137,468.52 = 25,083.12/x - Step 3: Cross multiply
91,645.68x = 137,468.52 × 25,083.12 - Step 4: Simplify right side
91,645.68x = 3,448,139,383.38 - Step 5: Solve for x
x = 3,448,139,383.38/91,645.68 - Step 6: Final answer
x = 37,624.68
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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.