Finding the Fourth Proportional to 73,423.84, 101,324.88 and 39,889.84
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Solution
The fourth proportional to 73,423.84, 101,324.88 and 39,889.84 is: 55,047.97
Step by Step Solution
- Step 1: Write the proportion equation
73,423.84 : 101,324.88 = 39,889.84 : x - Step 2: Convert to fraction form
73,423.84/101,324.88 = 39,889.84/x - Step 3: Cross multiply
73,423.84x = 101,324.88 × 39,889.84 - Step 4: Simplify right side
73,423.84x = 4,041,833,251.22 - Step 5: Solve for x
x = 4,041,833,251.22/73,423.84 - Step 6: Final answer
x = 55,047.97
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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.