Finding the Fourth Proportional to 86,898.06, 119,891.44 and 48,651.98
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Solution
The fourth proportional to 86,898.06, 119,891.44 and 48,651.98 is: 67,124.12
Step by Step Solution
- Step 1: Write the proportion equation
86,898.06 : 119,891.44 = 48,651.98 : x - Step 2: Convert to fraction form
86,898.06/119,891.44 = 48,651.98/x - Step 3: Cross multiply
86,898.06x = 119,891.44 × 48,651.98 - Step 4: Simplify right side
86,898.06x = 5,832,955,402.41 - Step 5: Solve for x
x = 5,832,955,402.41/86,898.06 - Step 6: Final answer
x = 67,124.12
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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.