Finding the Fourth Proportional to 69,193.24, 103,623.42 and 39,521.08
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Solution
The fourth proportional to 69,193.24, 103,623.42 and 39,521.08 is: 59,186.55
Step by Step Solution
- Step 1: Write the proportion equation
69,193.24 : 103,623.42 = 39,521.08 : x - Step 2: Convert to fraction form
69,193.24/103,623.42 = 39,521.08/x - Step 3: Cross multiply
69,193.24x = 103,623.42 × 39,521.08 - Step 4: Simplify right side
69,193.24x = 4,095,309,471.69 - Step 5: Solve for x
x = 4,095,309,471.69/69,193.24 - Step 6: Final answer
x = 59,186.55
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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.