Finding the Fourth Proportional to 91,858.73, 137,788.05 and 29,534.09
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Solution
The fourth proportional to 91,858.73, 137,788.05 and 29,534.09 is: 44,301.12
Step by Step Solution
- Step 1: Write the proportion equation
91,858.73 : 137,788.05 = 29,534.09 : x - Step 2: Convert to fraction form
91,858.73/137,788.05 = 29,534.09/x - Step 3: Cross multiply
91,858.73x = 137,788.05 × 29,534.09 - Step 4: Simplify right side
91,858.73x = 4,069,444,669.62 - Step 5: Solve for x
x = 4,069,444,669.62/91,858.73 - Step 6: Final answer
x = 44,301.12
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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.