Finding the Fourth Proportional to 75,528.24, 113,205.96 and 49,228.08
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Solution
The fourth proportional to 75,528.24, 113,205.96 and 49,228.08 is: 73,785.81
Step by Step Solution
- Step 1: Write the proportion equation
75,528.24 : 113,205.96 = 49,228.08 : x - Step 2: Convert to fraction form
75,528.24/113,205.96 = 49,228.08/x - Step 3: Cross multiply
75,528.24x = 113,205.96 × 49,228.08 - Step 4: Simplify right side
75,528.24x = 5,572,912,055.36 - Step 5: Solve for x
x = 5,572,912,055.36/75,528.24 - Step 6: Final answer
x = 73,785.81
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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.