Finding the Fourth Proportional to 76,069.99, 113,955.94 and 36,010.63
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Solution
The fourth proportional to 76,069.99, 113,955.94 and 36,010.63 is: 53,945.39
Step by Step Solution
- Step 1: Write the proportion equation
76,069.99 : 113,955.94 = 36,010.63 : x - Step 2: Convert to fraction form
76,069.99/113,955.94 = 36,010.63/x - Step 3: Cross multiply
76,069.99x = 113,955.94 × 36,010.63 - Step 4: Simplify right side
76,069.99x = 4,103,625,191.64 - Step 5: Solve for x
x = 4,103,625,191.64/76,069.99 - Step 6: Final answer
x = 53,945.39
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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.