Finding the Fourth Proportional to 86,566.71, 119,462.18 and 48,844.47
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Solution
The fourth proportional to 86,566.71, 119,462.18 and 48,844.47 is: 67,405.43
Step by Step Solution
- Step 1: Write the proportion equation
86,566.71 : 119,462.18 = 48,844.47 : x - Step 2: Convert to fraction form
86,566.71/119,462.18 = 48,844.47/x - Step 3: Cross multiply
86,566.71x = 119,462.18 × 48,844.47 - Step 4: Simplify right side
86,566.71x = 5,835,066,622.92 - Step 5: Solve for x
x = 5,835,066,622.92/86,566.71 - Step 6: Final answer
x = 67,405.43
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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.