Finding the Fourth Proportional to 75,708.37, 113,632.88 and 38,294.88
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Solution
The fourth proportional to 75,708.37, 113,632.88 and 38,294.88 is: 57,477.88
Step by Step Solution
- Step 1: Write the proportion equation
75,708.37 : 113,632.88 = 38,294.88 : x - Step 2: Convert to fraction form
75,708.37/113,632.88 = 38,294.88/x - Step 3: Cross multiply
75,708.37x = 113,632.88 × 38,294.88 - Step 4: Simplify right side
75,708.37x = 4,351,556,886.06 - Step 5: Solve for x
x = 4,351,556,886.06/75,708.37 - Step 6: Final answer
x = 57,477.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.