Finding the Fourth Proportional to 75,562.08, 113,269.16 and 28,142.36
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Solution
The fourth proportional to 75,562.08, 113,269.16 and 28,142.36 is: 42,185.99
Step by Step Solution
- Step 1: Write the proportion equation
75,562.08 : 113,269.16 = 28,142.36 : x - Step 2: Convert to fraction form
75,562.08/113,269.16 = 28,142.36/x - Step 3: Cross multiply
75,562.08x = 113,269.16 × 28,142.36 - Step 4: Simplify right side
75,562.08x = 3,187,661,477.62 - Step 5: Solve for x
x = 3,187,661,477.62/75,562.08 - Step 6: Final answer
x = 42,185.99
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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.