Finding the Fourth Proportional to 71,713.95, 107,537.50 and 27,312.99
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Solution
The fourth proportional to 71,713.95, 107,537.50 and 27,312.99 is: 40,956.75
Step by Step Solution
- Step 1: Write the proportion equation
71,713.95 : 107,537.50 = 27,312.99 : x - Step 2: Convert to fraction form
71,713.95/107,537.50 = 27,312.99/x - Step 3: Cross multiply
71,713.95x = 107,537.50 × 27,312.99 - Step 4: Simplify right side
71,713.95x = 2,937,170,662.13 - Step 5: Solve for x
x = 2,937,170,662.13/71,713.95 - Step 6: Final answer
x = 40,956.75
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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.