Finding the Fourth Proportional to 71,526.24, 107,192.16 and 27,129.12
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Solution
The fourth proportional to 71,526.24, 107,192.16 and 27,129.12 is: 40,656.81
Step by Step Solution
- Step 1: Write the proportion equation
71,526.24 : 107,192.16 = 27,129.12 : x - Step 2: Convert to fraction form
71,526.24/107,192.16 = 27,129.12/x - Step 3: Cross multiply
71,526.24x = 107,192.16 × 27,129.12 - Step 4: Simplify right side
71,526.24x = 2,908,028,971.70 - Step 5: Solve for x
x = 2,908,028,971.70/71,526.24 - Step 6: Final answer
x = 40,656.81
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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.