Finding the Fourth Proportional to 92,299.91, 138,449.86 and 29,126.42
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Solution
The fourth proportional to 92,299.91, 138,449.86 and 29,126.42 is: 43,689.63
Step by Step Solution
- Step 1: Write the proportion equation
92,299.91 : 138,449.86 = 29,126.42 : x - Step 2: Convert to fraction form
92,299.91/138,449.86 = 29,126.42/x - Step 3: Cross multiply
92,299.91x = 138,449.86 × 29,126.42 - Step 4: Simplify right side
92,299.91x = 4,032,548,525.42 - Step 5: Solve for x
x = 4,032,548,525.42/92,299.91 - Step 6: Final answer
x = 43,689.63
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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.