Finding the Fourth Proportional to 75,194.94, 103,762.12 and 43,357.68
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Solution
The fourth proportional to 75,194.94, 103,762.12 and 43,357.68 is: 59,829.62
Step by Step Solution
- Step 1: Write the proportion equation
75,194.94 : 103,762.12 = 43,357.68 : x - Step 2: Convert to fraction form
75,194.94/103,762.12 = 43,357.68/x - Step 3: Cross multiply
75,194.94x = 103,762.12 × 43,357.68 - Step 4: Simplify right side
75,194.94x = 4,498,884,795.08 - Step 5: Solve for x
x = 4,498,884,795.08/75,194.94 - Step 6: Final answer
x = 59,829.62
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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.