Finding the Fourth Proportional to 89,753.08, 134,654.57 and 39,156.53
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Solution
The fourth proportional to 89,753.08, 134,654.57 and 39,156.53 is: 58,745.68
Step by Step Solution
- Step 1: Write the proportion equation
89,753.08 : 134,654.57 = 39,156.53 : x - Step 2: Convert to fraction form
89,753.08/134,654.57 = 39,156.53/x - Step 3: Cross multiply
89,753.08x = 134,654.57 × 39,156.53 - Step 4: Simplify right side
89,753.08x = 5,272,605,514.06 - Step 5: Solve for x
x = 5,272,605,514.06/89,753.08 - Step 6: Final answer
x = 58,745.68
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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.