Finding the Fourth Proportional to 84,573.93, 126,847.66 and 37,178.53
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Solution
The fourth proportional to 84,573.93, 126,847.66 and 37,178.53 is: 55,761.98
Step by Step Solution
- Step 1: Write the proportion equation
84,573.93 : 126,847.66 = 37,178.53 : x - Step 2: Convert to fraction form
84,573.93/126,847.66 = 37,178.53/x - Step 3: Cross multiply
84,573.93x = 126,847.66 × 37,178.53 - Step 4: Simplify right side
84,573.93x = 4,716,009,532.74 - Step 5: Solve for x
x = 4,716,009,532.74/84,573.93 - Step 6: Final answer
x = 55,761.98
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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.