Finding the Fourth Proportional to 77,211.12, 106,562.49 and 44,499.17
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Solution
The fourth proportional to 77,211.12, 106,562.49 and 44,499.17 is: 61,415.28
Step by Step Solution
- Step 1: Write the proportion equation
77,211.12 : 106,562.49 = 44,499.17 : x - Step 2: Convert to fraction form
77,211.12/106,562.49 = 44,499.17/x - Step 3: Cross multiply
77,211.12x = 106,562.49 × 44,499.17 - Step 4: Simplify right side
77,211.12x = 4,741,942,457.67 - Step 5: Solve for x
x = 4,741,942,457.67/77,211.12 - Step 6: Final answer
x = 61,415.28
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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.