Finding the Fourth Proportional to 75,928.29, 104,825.80 and 52,089.99
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Solution
The fourth proportional to 75,928.29, 104,825.80 and 52,089.99 is: 71,914.89
Step by Step Solution
- Step 1: Write the proportion equation
75,928.29 : 104,825.80 = 52,089.99 : x - Step 2: Convert to fraction form
75,928.29/104,825.80 = 52,089.99/x - Step 3: Cross multiply
75,928.29x = 104,825.80 × 52,089.99 - Step 4: Simplify right side
75,928.29x = 5,460,374,252.75 - Step 5: Solve for x
x = 5,460,374,252.75/75,928.29 - Step 6: Final answer
x = 71,914.89
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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.