Finding the Fourth Proportional to 69,224.44, 103,880.39 and 39,699.94
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Solution
The fourth proportional to 69,224.44, 103,880.39 and 39,699.94 is: 59,574.99
Step by Step Solution
- Step 1: Write the proportion equation
69,224.44 : 103,880.39 = 39,699.94 : x - Step 2: Convert to fraction form
69,224.44/103,880.39 = 39,699.94/x - Step 3: Cross multiply
69,224.44x = 103,880.39 × 39,699.94 - Step 4: Simplify right side
69,224.44x = 4,124,045,210.06 - Step 5: Solve for x
x = 4,124,045,210.06/69,224.44 - Step 6: Final answer
x = 59,574.99
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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.