Finding the Fourth Proportional to 86,270.03, 119,049.72 and 48,536.99
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Solution
The fourth proportional to 86,270.03, 119,049.72 and 48,536.99 is: 66,979.40
Step by Step Solution
- Step 1: Write the proportion equation
86,270.03 : 119,049.72 = 48,536.99 : x - Step 2: Convert to fraction form
86,270.03/119,049.72 = 48,536.99/x - Step 3: Cross multiply
86,270.03x = 119,049.72 × 48,536.99 - Step 4: Simplify right side
86,270.03x = 5,778,315,069.14 - Step 5: Solve for x
x = 5,778,315,069.14/86,270.03 - Step 6: Final answer
x = 66,979.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.