Finding the Fourth Proportional to 86,849.16, 119,857.62 and 48,612.02
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Solution
The fourth proportional to 86,849.16, 119,857.62 and 48,612.02 is: 67,087.82
Step by Step Solution
- Step 1: Write the proportion equation
86,849.16 : 119,857.62 = 48,612.02 : x - Step 2: Convert to fraction form
86,849.16/119,857.62 = 48,612.02/x - Step 3: Cross multiply
86,849.16x = 119,857.62 × 48,612.02 - Step 4: Simplify right side
86,849.16x = 5,826,521,020.59 - Step 5: Solve for x
x = 5,826,521,020.59/86,849.16 - Step 6: Final answer
x = 67,087.82
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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.