Finding the Fourth Proportional to 86,552.74, 129,827.76 and 44,408.50
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Solution
The fourth proportional to 86,552.74, 129,827.76 and 44,408.50 is: 66,612.06
Step by Step Solution
- Step 1: Write the proportion equation
86,552.74 : 129,827.76 = 44,408.50 : x - Step 2: Convert to fraction form
86,552.74/129,827.76 = 44,408.50/x - Step 3: Cross multiply
86,552.74x = 129,827.76 × 44,408.50 - Step 4: Simplify right side
86,552.74x = 5,765,456,079.96 - Step 5: Solve for x
x = 5,765,456,079.96/86,552.74 - Step 6: Final answer
x = 66,612.06
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1.5x scale
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.