Finding the Fourth Proportional to 86,760.16, 119,731.46 and 48,521.14
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Solution
The fourth proportional to 86,760.16, 119,731.46 and 48,521.14 is: 66,960.53
Step by Step Solution
- Step 1: Write the proportion equation
86,760.16 : 119,731.46 = 48,521.14 : x - Step 2: Convert to fraction form
86,760.16/119,731.46 = 48,521.14/x - Step 3: Cross multiply
86,760.16x = 119,731.46 × 48,521.14 - Step 4: Simplify right side
86,760.16x = 5,809,506,391.13 - Step 5: Solve for x
x = 5,809,506,391.13/86,760.16 - Step 6: Final answer
x = 66,960.53
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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.