Finding the Fourth Proportional to 78,959.56, 118,440.42 and 26,369.08
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Solution
The fourth proportional to 78,959.56, 118,440.42 and 26,369.08 is: 39,553.98
Step by Step Solution
- Step 1: Write the proportion equation
78,959.56 : 118,440.42 = 26,369.08 : x - Step 2: Convert to fraction form
78,959.56/118,440.42 = 26,369.08/x - Step 3: Cross multiply
78,959.56x = 118,440.42 × 26,369.08 - Step 4: Simplify right side
78,959.56x = 3,123,164,910.21 - Step 5: Solve for x
x = 3,123,164,910.21/78,959.56 - Step 6: Final answer
x = 39,553.98
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1.5x scale
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.