Finding the Fourth Proportional to 125,044.71, 187,510.34 and 53,933.75
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Solution
The fourth proportional to 125,044.71, 187,510.34 and 53,933.75 is: 80,876.15
Step by Step Solution
- Step 1: Write the proportion equation
125,044.71 : 187,510.34 = 53,933.75 : x - Step 2: Convert to fraction form
125,044.71/187,510.34 = 53,933.75/x - Step 3: Cross multiply
125,044.71x = 187,510.34 × 53,933.75 - Step 4: Simplify right side
125,044.71x = 10,113,134,592.75 - Step 5: Solve for x
x = 10,113,134,592.75/125,044.71 - Step 6: Final answer
x = 80,876.15
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1.5x scale
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.