Finding the Fourth Proportional to 92,439.24, 138,644.95 and 29,251.14
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Solution
The fourth proportional to 92,439.24, 138,644.95 and 29,251.14 is: 43,872.31
Step by Step Solution
- Step 1: Write the proportion equation
92,439.24 : 138,644.95 = 29,251.14 : x - Step 2: Convert to fraction form
92,439.24/138,644.95 = 29,251.14/x - Step 3: Cross multiply
92,439.24x = 138,644.95 × 29,251.14 - Step 4: Simplify right side
92,439.24x = 4,055,523,407.73 - Step 5: Solve for x
x = 4,055,523,407.73/92,439.24 - Step 6: Final answer
x = 43,872.31
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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.