Finding the Fourth Proportional to 76,694.74, 115,036.58 and 24,119.26
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Solution
The fourth proportional to 76,694.74, 115,036.58 and 24,119.26 is: 36,177.15
Step by Step Solution
- Step 1: Write the proportion equation
76,694.74 : 115,036.58 = 24,119.26 : x - Step 2: Convert to fraction form
76,694.74/115,036.58 = 24,119.26/x - Step 3: Cross multiply
76,694.74x = 115,036.58 × 24,119.26 - Step 4: Simplify right side
76,694.74x = 2,774,597,182.53 - Step 5: Solve for x
x = 2,774,597,182.53/76,694.74 - Step 6: Final answer
x = 36,177.15
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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.