Finding the Fourth Proportional to 86,960.24, 120,005.58 and 49,241.84
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Solution
The fourth proportional to 86,960.24, 120,005.58 and 49,241.84 is: 67,953.99
Step by Step Solution
- Step 1: Write the proportion equation
86,960.24 : 120,005.58 = 49,241.84 : x - Step 2: Convert to fraction form
86,960.24/120,005.58 = 49,241.84/x - Step 3: Cross multiply
86,960.24x = 120,005.58 × 49,241.84 - Step 4: Simplify right side
86,960.24x = 5,909,295,569.47 - Step 5: Solve for x
x = 5,909,295,569.47/86,960.24 - Step 6: Final answer
x = 67,953.99
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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.