Finding the Fourth Proportional to 112,922.48, 169,330.10 and 65,552.09
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Solution
The fourth proportional to 112,922.48, 169,330.10 and 65,552.09 is: 98,297.01
Step by Step Solution
- Step 1: Write the proportion equation
112,922.48 : 169,330.10 = 65,552.09 : x - Step 2: Convert to fraction form
112,922.48/169,330.10 = 65,552.09/x - Step 3: Cross multiply
112,922.48x = 169,330.10 × 65,552.09 - Step 4: Simplify right side
112,922.48x = 11,099,941,627.15 - Step 5: Solve for x
x = 11,099,941,627.15/112,922.48 - Step 6: Final answer
x = 98,297.01
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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.