Finding the Fourth Proportional to 75,545.08, 113,331.06 and 31,147.62
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Solution
The fourth proportional to 75,545.08, 113,331.06 and 31,147.62 is: 46,726.97
Step by Step Solution
- Step 1: Write the proportion equation
75,545.08 : 113,331.06 = 31,147.62 : x - Step 2: Convert to fraction form
75,545.08/113,331.06 = 31,147.62/x - Step 3: Cross multiply
75,545.08x = 113,331.06 × 31,147.62 - Step 4: Simplify right side
75,545.08x = 3,529,992,791.08 - Step 5: Solve for x
x = 3,529,992,791.08/75,545.08 - Step 6: Final answer
x = 46,726.97
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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.