Finding the Fourth Proportional to 68,448.57, 102,423.07 and 40,382.07
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Solution
The fourth proportional to 68,448.57, 102,423.07 and 40,382.07 is: 60,425.74
Step by Step Solution
- Step 1: Write the proportion equation
68,448.57 : 102,423.07 = 40,382.07 : x - Step 2: Convert to fraction form
68,448.57/102,423.07 = 40,382.07/x - Step 3: Cross multiply
68,448.57x = 102,423.07 × 40,382.07 - Step 4: Simplify right side
68,448.57x = 4,136,055,582.35 - Step 5: Solve for x
x = 4,136,055,582.35/68,448.57 - Step 6: Final answer
x = 60,425.74
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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.