Finding the Fourth Proportional to 75,503.32, 104,206.62 and 43,691.56
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Solution
The fourth proportional to 75,503.32, 104,206.62 and 43,691.56 is: 60,301.32
Step by Step Solution
- Step 1: Write the proportion equation
75,503.32 : 104,206.62 = 43,691.56 : x - Step 2: Convert to fraction form
75,503.32/104,206.62 = 43,691.56/x - Step 3: Cross multiply
75,503.32x = 104,206.62 × 43,691.56 - Step 4: Simplify right side
75,503.32x = 4,552,949,790.13 - Step 5: Solve for x
x = 4,552,949,790.13/75,503.32 - Step 6: Final answer
x = 60,301.32
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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.