Finding the Fourth Proportional to 102,448.65, 141,375.43 and 59,428.99
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Solution
The fourth proportional to 102,448.65, 141,375.43 and 59,428.99 is: 82,009.86
Step by Step Solution
- Step 1: Write the proportion equation
102,448.65 : 141,375.43 = 59,428.99 : x - Step 2: Convert to fraction form
102,448.65/141,375.43 = 59,428.99/x - Step 3: Cross multiply
102,448.65x = 141,375.43 × 59,428.99 - Step 4: Simplify right side
102,448.65x = 8,401,798,932.43 - Step 5: Solve for x
x = 8,401,798,932.43/102,448.65 - Step 6: Final answer
x = 82,009.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.