Finding the Fourth Proportional to 76,906.98, 115,359.76 and 24,316.48
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Solution
The fourth proportional to 76,906.98, 115,359.76 and 24,316.48 is: 36,474.50
Step by Step Solution
- Step 1: Write the proportion equation
76,906.98 : 115,359.76 = 24,316.48 : x - Step 2: Convert to fraction form
76,906.98/115,359.76 = 24,316.48/x - Step 3: Cross multiply
76,906.98x = 115,359.76 × 24,316.48 - Step 4: Simplify right side
76,906.98x = 2,805,143,296.84 - Step 5: Solve for x
x = 2,805,143,296.84/76,906.98 - Step 6: Final answer
x = 36,474.50
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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.