Finding the Fourth Proportional to 76,950.88, 106,236.36 and 58,657.97
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Solution
The fourth proportional to 76,950.88, 106,236.36 and 58,657.97 is: 80,981.66
Step by Step Solution
- Step 1: Write the proportion equation
76,950.88 : 106,236.36 = 58,657.97 : x - Step 2: Convert to fraction form
76,950.88/106,236.36 = 58,657.97/x - Step 3: Cross multiply
76,950.88x = 106,236.36 × 58,657.97 - Step 4: Simplify right side
76,950.88x = 6,231,609,483.38 - Step 5: Solve for x
x = 6,231,609,483.38/76,950.88 - Step 6: Final answer
x = 80,981.66
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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.