Finding the Fourth Proportional to 75,889.09, 113,551.71 and 47,677.06
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Solution
The fourth proportional to 75,889.09, 113,551.71 and 47,677.06 is: 71,338.47
Step by Step Solution
- Step 1: Write the proportion equation
75,889.09 : 113,551.71 = 47,677.06 : x - Step 2: Convert to fraction form
75,889.09/113,551.71 = 47,677.06/x - Step 3: Cross multiply
75,889.09x = 113,551.71 × 47,677.06 - Step 4: Simplify right side
75,889.09x = 5,413,811,690.77 - Step 5: Solve for x
x = 5,413,811,690.77/75,889.09 - Step 6: Final answer
x = 71,338.47
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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.