Finding the Fourth Proportional to 75,871.24, 104,643.11 and 48,649.92
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Solution
The fourth proportional to 75,871.24, 104,643.11 and 48,649.92 is: 67,098.93
Step by Step Solution
- Step 1: Write the proportion equation
75,871.24 : 104,643.11 = 48,649.92 : x - Step 2: Convert to fraction form
75,871.24/104,643.11 = 48,649.92/x - Step 3: Cross multiply
75,871.24x = 104,643.11 × 48,649.92 - Step 4: Simplify right side
75,871.24x = 5,090,878,930.05 - Step 5: Solve for x
x = 5,090,878,930.05/75,871.24 - Step 6: Final answer
x = 67,098.93
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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.