Finding the Fourth Proportional to 75,315.50, 112,976.18 and 22,724.99
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Solution
The fourth proportional to 75,315.50, 112,976.18 and 22,724.99 is: 34,088.36
Step by Step Solution
- Step 1: Write the proportion equation
75,315.50 : 112,976.18 = 22,724.99 : x - Step 2: Convert to fraction form
75,315.50/112,976.18 = 22,724.99/x - Step 3: Cross multiply
75,315.50x = 112,976.18 × 22,724.99 - Step 4: Simplify right side
75,315.50x = 2,567,382,052.67 - Step 5: Solve for x
x = 2,567,382,052.67/75,315.50 - Step 6: Final answer
x = 34,088.36
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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.