Finding the Fourth Proportional to 75,105.23, 112,643.06 and 27,720.23
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Solution
The fourth proportional to 75,105.23, 112,643.06 and 27,720.23 is: 41,574.88
Step by Step Solution
- Step 1: Write the proportion equation
75,105.23 : 112,643.06 = 27,720.23 : x - Step 2: Convert to fraction form
75,105.23/112,643.06 = 27,720.23/x - Step 3: Cross multiply
75,105.23x = 112,643.06 × 27,720.23 - Step 4: Simplify right side
75,105.23x = 3,122,490,829.29 - Step 5: Solve for x
x = 3,122,490,829.29/75,105.23 - Step 6: Final answer
x = 41,574.88
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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.