Finding the Fourth Proportional to 75,689.74, 104,451.87 and 43,877.08
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Solution
The fourth proportional to 75,689.74, 104,451.87 and 43,877.08 is: 60,550.39
Step by Step Solution
- Step 1: Write the proportion equation
75,689.74 : 104,451.87 = 43,877.08 : x - Step 2: Convert to fraction form
75,689.74/104,451.87 = 43,877.08/x - Step 3: Cross multiply
75,689.74x = 104,451.87 × 43,877.08 - Step 4: Simplify right side
75,689.74x = 4,583,043,056.14 - Step 5: Solve for x
x = 4,583,043,056.14/75,689.74 - Step 6: Final answer
x = 60,550.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.