Finding the Fourth Proportional to 71,547.03, 107,336.75 and 38,249.55
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Solution
The fourth proportional to 71,547.03, 107,336.75 and 38,249.55 is: 57,382.99
Step by Step Solution
- Step 1: Write the proportion equation
71,547.03 : 107,336.75 = 38,249.55 : x - Step 2: Convert to fraction form
71,547.03/107,336.75 = 38,249.55/x - Step 3: Cross multiply
71,547.03x = 107,336.75 × 38,249.55 - Step 4: Simplify right side
71,547.03x = 4,105,582,194.71 - Step 5: Solve for x
x = 4,105,582,194.71/71,547.03 - Step 6: Final answer
x = 57,382.99
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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.