Finding the Fourth Proportional to 81,092.21, 121,649.93 and 24,937.03
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Solution
The fourth proportional to 81,092.21, 121,649.93 and 24,937.03 is: 37,409.11
Step by Step Solution
- Step 1: Write the proportion equation
81,092.21 : 121,649.93 = 24,937.03 : x - Step 2: Convert to fraction form
81,092.21/121,649.93 = 24,937.03/x - Step 3: Cross multiply
81,092.21x = 121,649.93 × 24,937.03 - Step 4: Simplify right side
81,092.21x = 3,033,587,220.97 - Step 5: Solve for x
x = 3,033,587,220.97/81,092.21 - Step 6: Final answer
x = 37,409.11
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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.