Finding the Fourth Proportional to 86,806.66, 119,791.20 and 48,566.74
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Solution
The fourth proportional to 86,806.66, 119,791.20 and 48,566.74 is: 67,020.99
Step by Step Solution
- Step 1: Write the proportion equation
86,806.66 : 119,791.20 = 48,566.74 : x - Step 2: Convert to fraction form
86,806.66/119,791.20 = 48,566.74/x - Step 3: Cross multiply
86,806.66x = 119,791.20 × 48,566.74 - Step 4: Simplify right side
86,806.66x = 5,817,868,064.69 - Step 5: Solve for x
x = 5,817,868,064.69/86,806.66 - Step 6: Final answer
x = 67,020.99
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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.