Finding the Fourth Proportional to 80,246.91, 110,721.71 and 47,524.79
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Solution
The fourth proportional to 80,246.91, 110,721.71 and 47,524.79 is: 65,572.95
Step by Step Solution
- Step 1: Write the proportion equation
80,246.91 : 110,721.71 = 47,524.79 : x - Step 2: Convert to fraction form
80,246.91/110,721.71 = 47,524.79/x - Step 3: Cross multiply
80,246.91x = 110,721.71 × 47,524.79 - Step 4: Simplify right side
80,246.91x = 5,262,026,411.81 - Step 5: Solve for x
x = 5,262,026,411.81/80,246.91 - Step 6: Final answer
x = 65,572.95
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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.