Finding the Fourth Proportional to 107,124.62, 147,833.45 and 58,731.09
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Solution
The fourth proportional to 107,124.62, 147,833.45 and 58,731.09 is: 81,049.72
Step by Step Solution
- Step 1: Write the proportion equation
107,124.62 : 147,833.45 = 58,731.09 : x - Step 2: Convert to fraction form
107,124.62/147,833.45 = 58,731.09/x - Step 3: Cross multiply
107,124.62x = 147,833.45 × 58,731.09 - Step 4: Simplify right side
107,124.62x = 8,682,419,803.79 - Step 5: Solve for x
x = 8,682,419,803.79/107,124.62 - Step 6: Final answer
x = 81,049.72
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1.5x scale
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.