Finding the Fourth Proportional to 86,872.14, 130,332.88 and 44,783.08
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Solution
The fourth proportional to 86,872.14, 130,332.88 and 44,783.08 is: 67,187.34
Step by Step Solution
- Step 1: Write the proportion equation
86,872.14 : 130,332.88 = 44,783.08 : x - Step 2: Convert to fraction form
86,872.14/130,332.88 = 44,783.08/x - Step 3: Cross multiply
86,872.14x = 130,332.88 × 44,783.08 - Step 4: Simplify right side
86,872.14x = 5,836,707,791.67 - Step 5: Solve for x
x = 5,836,707,791.67/86,872.14 - Step 6: Final answer
x = 67,187.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.