Finding the Fourth Proportional to 71,864.42, 107,809.68 and 24,477.08
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Solution
The fourth proportional to 71,864.42, 107,809.68 and 24,477.08 is: 36,720.06
Step by Step Solution
- Step 1: Write the proportion equation
71,864.42 : 107,809.68 = 24,477.08 : x - Step 2: Convert to fraction form
71,864.42/107,809.68 = 24,477.08/x - Step 3: Cross multiply
71,864.42x = 107,809.68 × 24,477.08 - Step 4: Simplify right side
71,864.42x = 2,638,866,162.13 - Step 5: Solve for x
x = 2,638,866,162.13/71,864.42 - Step 6: Final answer
x = 36,720.06
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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.