Finding the Fourth Proportional to 73,521.06, 110,278.81 and 20,930.52
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Solution
The fourth proportional to 73,521.06, 110,278.81 and 20,930.52 is: 31,394.99
Step by Step Solution
- Step 1: Write the proportion equation
73,521.06 : 110,278.81 = 20,930.52 : x - Step 2: Convert to fraction form
73,521.06/110,278.81 = 20,930.52/x - Step 3: Cross multiply
73,521.06x = 110,278.81 × 20,930.52 - Step 4: Simplify right side
73,521.06x = 2,308,192,838.28 - Step 5: Solve for x
x = 2,308,192,838.28/73,521.06 - Step 6: Final answer
x = 31,394.99
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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.