Finding the Fourth Proportional to 75,452.41, 104,088.44 and 54,243.98
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Solution
The fourth proportional to 75,452.41, 104,088.44 and 54,243.98 is: 74,830.89
Step by Step Solution
- Step 1: Write the proportion equation
75,452.41 : 104,088.44 = 54,243.98 : x - Step 2: Convert to fraction form
75,452.41/104,088.44 = 54,243.98/x - Step 3: Cross multiply
75,452.41x = 104,088.44 × 54,243.98 - Step 4: Simplify right side
75,452.41x = 5,646,171,263.09 - Step 5: Solve for x
x = 5,646,171,263.09/75,452.41 - Step 6: Final answer
x = 74,830.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.