Finding the Fourth Proportional to 106,876.14, 160,351.05 and 47,752.62
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Solution
The fourth proportional to 106,876.14, 160,351.05 and 47,752.62 is: 71,645.39
Step by Step Solution
- Step 1: Write the proportion equation
106,876.14 : 160,351.05 = 47,752.62 : x - Step 2: Convert to fraction form
106,876.14/160,351.05 = 47,752.62/x - Step 3: Cross multiply
106,876.14x = 160,351.05 × 47,752.62 - Step 4: Simplify right side
106,876.14x = 7,657,182,757.25 - Step 5: Solve for x
x = 7,657,182,757.25/106,876.14 - Step 6: Final answer
x = 71,645.39
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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.