Finding the Fourth Proportional to 79,402.05, 119,121.57 and 23,243.07
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Solution
The fourth proportional to 79,402.05, 119,121.57 and 23,243.07 is: 34,870.02
Step by Step Solution
- Step 1: Write the proportion equation
79,402.05 : 119,121.57 = 23,243.07 : x - Step 2: Convert to fraction form
79,402.05/119,121.57 = 23,243.07/x - Step 3: Cross multiply
79,402.05x = 119,121.57 × 23,243.07 - Step 4: Simplify right side
79,402.05x = 2,768,750,990.02 - Step 5: Solve for x
x = 2,768,750,990.02/79,402.05 - Step 6: Final answer
x = 34,870.02
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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.