Finding the Fourth Proportional to 75,133.05, 112,756.70 and 27,792.91
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Solution
The fourth proportional to 75,133.05, 112,756.70 and 27,792.91 is: 41,710.50
Step by Step Solution
- Step 1: Write the proportion equation
75,133.05 : 112,756.70 = 27,792.91 : x - Step 2: Convert to fraction form
75,133.05/112,756.70 = 27,792.91/x - Step 3: Cross multiply
75,133.05x = 112,756.70 × 27,792.91 - Step 4: Simplify right side
75,133.05x = 3,133,836,815.00 - Step 5: Solve for x
x = 3,133,836,815.00/75,133.05 - Step 6: Final answer
x = 41,710.50
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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.