Finding the Fourth Proportional to 75,479.32, 104,160.36 and 43,651.18
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Solution
The fourth proportional to 75,479.32, 104,160.36 and 43,651.18 is: 60,237.99
Step by Step Solution
- Step 1: Write the proportion equation
75,479.32 : 104,160.36 = 43,651.18 : x - Step 2: Convert to fraction form
75,479.32/104,160.36 = 43,651.18/x - Step 3: Cross multiply
75,479.32x = 104,160.36 × 43,651.18 - Step 4: Simplify right side
75,479.32x = 4,546,722,623.22 - Step 5: Solve for x
x = 4,546,722,623.22/75,479.32 - Step 6: Final answer
x = 60,237.99
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1.5x scale
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.