Finding the Fourth Proportional to 86,063.06, 118,778.18 and 48,337.31
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Solution
The fourth proportional to 86,063.06, 118,778.18 and 48,337.31 is: 66,711.75
Step by Step Solution
- Step 1: Write the proportion equation
86,063.06 : 118,778.18 = 48,337.31 : x - Step 2: Convert to fraction form
86,063.06/118,778.18 = 48,337.31/x - Step 3: Cross multiply
86,063.06x = 118,778.18 × 48,337.31 - Step 4: Simplify right side
86,063.06x = 5,741,417,763.15 - Step 5: Solve for x
x = 5,741,417,763.15/86,063.06 - Step 6: Final answer
x = 66,711.75
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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.