Finding the Fourth Proportional to 86,487.22, 119,356.50 and 50,689.54
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Solution
The fourth proportional to 86,487.22, 119,356.50 and 50,689.54 is: 69,953.99
Step by Step Solution
- Step 1: Write the proportion equation
86,487.22 : 119,356.50 = 50,689.54 : x - Step 2: Convert to fraction form
86,487.22/119,356.50 = 50,689.54/x - Step 3: Cross multiply
86,487.22x = 119,356.50 × 50,689.54 - Step 4: Simplify right side
86,487.22x = 6,050,126,081.01 - Step 5: Solve for x
x = 6,050,126,081.01/86,487.22 - Step 6: Final answer
x = 69,953.99
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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.