Finding the Fourth Proportional to 76,958.13, 115,508.16 and 39,034.02
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Solution
The fourth proportional to 76,958.13, 115,508.16 and 39,034.02 is: 58,587.01
Step by Step Solution
- Step 1: Write the proportion equation
76,958.13 : 115,508.16 = 39,034.02 : x - Step 2: Convert to fraction form
76,958.13/115,508.16 = 39,034.02/x - Step 3: Cross multiply
76,958.13x = 115,508.16 × 39,034.02 - Step 4: Simplify right side
76,958.13x = 4,508,747,054.89 - Step 5: Solve for x
x = 4,508,747,054.89/76,958.13 - Step 6: Final answer
x = 58,587.01
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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.