Finding the Fourth Proportional to 75,102.34, 103,601.28 and 46,438.06
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Solution
The fourth proportional to 75,102.34, 103,601.28 and 46,438.06 is: 64,059.82
Step by Step Solution
- Step 1: Write the proportion equation
75,102.34 : 103,601.28 = 46,438.06 : x - Step 2: Convert to fraction form
75,102.34/103,601.28 = 46,438.06/x - Step 3: Cross multiply
75,102.34x = 103,601.28 × 46,438.06 - Step 4: Simplify right side
75,102.34x = 4,811,042,456.72 - Step 5: Solve for x
x = 4,811,042,456.72/75,102.34 - Step 6: Final answer
x = 64,059.82
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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.