Finding the Fourth Proportional to 77,556.96, 107,024.49 and 43,566.88
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Solution
The fourth proportional to 77,556.96, 107,024.49 and 43,566.88 is: 60,119.98
Step by Step Solution
- Step 1: Write the proportion equation
77,556.96 : 107,024.49 = 43,566.88 : x - Step 2: Convert to fraction form
77,556.96/107,024.49 = 43,566.88/x - Step 3: Cross multiply
77,556.96x = 107,024.49 × 43,566.88 - Step 4: Simplify right side
77,556.96x = 4,662,722,845.33 - Step 5: Solve for x
x = 4,662,722,845.33/77,556.96 - Step 6: Final answer
x = 60,119.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.