Finding the Fourth Proportional to 87,000.37, 130,472.76 and 27,821.97
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Solution
The fourth proportional to 87,000.37, 130,472.76 and 27,821.97 is: 41,724.07
Step by Step Solution
- Step 1: Write the proportion equation
87,000.37 : 130,472.76 = 27,821.97 : x - Step 2: Convert to fraction form
87,000.37/130,472.76 = 27,821.97/x - Step 3: Cross multiply
87,000.37x = 130,472.76 × 27,821.97 - Step 4: Simplify right side
87,000.37x = 3,630,009,214.54 - Step 5: Solve for x
x = 3,630,009,214.54/87,000.37 - Step 6: Final answer
x = 41,724.07
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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.