Finding the Fourth Proportional to 83,600.18, 125,415.45 and 27,424.65
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Solution
The fourth proportional to 83,600.18, 125,415.45 and 27,424.65 is: 41,141.96
Step by Step Solution
- Step 1: Write the proportion equation
83,600.18 : 125,415.45 = 27,424.65 : x - Step 2: Convert to fraction form
83,600.18/125,415.45 = 27,424.65/x - Step 3: Cross multiply
83,600.18x = 125,415.45 × 27,424.65 - Step 4: Simplify right side
83,600.18x = 3,439,474,820.84 - Step 5: Solve for x
x = 3,439,474,820.84/83,600.18 - Step 6: Final answer
x = 41,141.96
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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.