Finding the Fourth Proportional to 75,813.57, 104,624.26 and 43,984.52
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Solution
The fourth proportional to 75,813.57, 104,624.26 and 43,984.52 is: 60,699.52
Step by Step Solution
- Step 1: Write the proportion equation
75,813.57 : 104,624.26 = 43,984.52 : x - Step 2: Convert to fraction form
75,813.57/104,624.26 = 43,984.52/x - Step 3: Cross multiply
75,813.57x = 104,624.26 × 43,984.52 - Step 4: Simplify right side
75,813.57x = 4,601,847,615.71 - Step 5: Solve for x
x = 4,601,847,615.71/75,813.57 - Step 6: Final answer
x = 60,699.52
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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.