Finding the Fourth Proportional to 69,845.31, 104,777.79 and 22,444.53
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Solution
The fourth proportional to 69,845.31, 104,777.79 and 22,444.53 is: 33,669.95
Step by Step Solution
- Step 1: Write the proportion equation
69,845.31 : 104,777.79 = 22,444.53 : x - Step 2: Convert to fraction form
69,845.31/104,777.79 = 22,444.53/x - Step 3: Cross multiply
69,845.31x = 104,777.79 × 22,444.53 - Step 4: Simplify right side
69,845.31x = 2,351,688,250.99 - Step 5: Solve for x
x = 2,351,688,250.99/69,845.31 - Step 6: Final answer
x = 33,669.95
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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.