Finding the Fourth Proportional to 76,948.92, 115,437.42 and 27,014.04
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Solution
The fourth proportional to 76,948.92, 115,437.42 and 27,014.04 is: 40,525.99
Step by Step Solution
- Step 1: Write the proportion equation
76,948.92 : 115,437.42 = 27,014.04 : x - Step 2: Convert to fraction form
76,948.92/115,437.42 = 27,014.04/x - Step 3: Cross multiply
76,948.92x = 115,437.42 × 27,014.04 - Step 4: Simplify right side
76,948.92x = 3,118,431,081.38 - Step 5: Solve for x
x = 3,118,431,081.38/76,948.92 - Step 6: Final answer
x = 40,525.99
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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.