Finding the Fourth Proportional to 83,326.91, 124,990.31 and 27,166.98
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Solution
The fourth proportional to 83,326.91, 124,990.31 and 27,166.98 is: 40,750.45
Step by Step Solution
- Step 1: Write the proportion equation
83,326.91 : 124,990.31 = 27,166.98 : x - Step 2: Convert to fraction form
83,326.91/124,990.31 = 27,166.98/x - Step 3: Cross multiply
83,326.91x = 124,990.31 × 27,166.98 - Step 4: Simplify right side
83,326.91x = 3,395,609,116.13 - Step 5: Solve for x
x = 3,395,609,116.13/83,326.91 - Step 6: Final answer
x = 40,750.45
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1.5x scale
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.