Finding the Fourth Proportional to 75,628.08, 104,367.42 and 42,094.08
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Solution
The fourth proportional to 75,628.08, 104,367.42 and 42,094.08 is: 58,090.20
Step by Step Solution
- Step 1: Write the proportion equation
75,628.08 : 104,367.42 = 42,094.08 : x - Step 2: Convert to fraction form
75,628.08/104,367.42 = 42,094.08/x - Step 3: Cross multiply
75,628.08x = 104,367.42 × 42,094.08 - Step 4: Simplify right side
75,628.08x = 4,393,250,526.87 - Step 5: Solve for x
x = 4,393,250,526.87/75,628.08 - Step 6: Final answer
x = 58,090.20
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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.