Finding the Fourth Proportional to 86,376.24, 119,197.59 and 48,134.95
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Solution
The fourth proportional to 86,376.24, 119,197.59 and 48,134.95 is: 66,425.33
Step by Step Solution
- Step 1: Write the proportion equation
86,376.24 : 119,197.59 = 48,134.95 : x - Step 2: Convert to fraction form
86,376.24/119,197.59 = 48,134.95/x - Step 3: Cross multiply
86,376.24x = 119,197.59 × 48,134.95 - Step 4: Simplify right side
86,376.24x = 5,737,569,827.03 - Step 5: Solve for x
x = 5,737,569,827.03/86,376.24 - Step 6: Final answer
x = 66,425.33
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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.