Finding the Fourth Proportional to 68,935.97, 103,492.50 and 53,151.02
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Solution
The fourth proportional to 68,935.97, 103,492.50 and 53,151.02 is: 79,794.81
Step by Step Solution
- Step 1: Write the proportion equation
68,935.97 : 103,492.50 = 53,151.02 : x - Step 2: Convert to fraction form
68,935.97/103,492.50 = 53,151.02/x - Step 3: Cross multiply
68,935.97x = 103,492.50 × 53,151.02 - Step 4: Simplify right side
68,935.97x = 5,500,732,196.08 - Step 5: Solve for x
x = 5,500,732,196.08/68,935.97 - Step 6: Final answer
x = 79,794.81
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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.