Finding the Fourth Proportional to 75,973.40, 104,849.42 and 41,984.88
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Solution
The fourth proportional to 75,973.40, 104,849.42 and 41,984.88 is: 57,942.52
Step by Step Solution
- Step 1: Write the proportion equation
75,973.40 : 104,849.42 = 41,984.88 : x - Step 2: Convert to fraction form
75,973.40/104,849.42 = 41,984.88/x - Step 3: Cross multiply
75,973.40x = 104,849.42 × 41,984.88 - Step 4: Simplify right side
75,973.40x = 4,402,090,316.77 - Step 5: Solve for x
x = 4,402,090,316.77/75,973.40 - Step 6: Final answer
x = 57,942.52
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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.