Finding the Fourth Proportional to 75,987.92, 104,765.87 and 52,073.08
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Solution
The fourth proportional to 75,987.92, 104,765.87 and 52,073.08 is: 71,794.06
Step by Step Solution
- Step 1: Write the proportion equation
75,987.92 : 104,765.87 = 52,073.08 : x - Step 2: Convert to fraction form
75,987.92/104,765.87 = 52,073.08/x - Step 3: Cross multiply
75,987.92x = 104,765.87 × 52,073.08 - Step 4: Simplify right side
75,987.92x = 5,455,481,398.05 - Step 5: Solve for x
x = 5,455,481,398.05/75,987.92 - Step 6: Final answer
x = 71,794.06
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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.