Finding the Fourth Proportional to 73,731.24, 110,616.36 and 38,661.48
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Solution
The fourth proportional to 73,731.24, 110,616.36 and 38,661.48 is: 58,002.44
Step by Step Solution
- Step 1: Write the proportion equation
73,731.24 : 110,616.36 = 38,661.48 : x - Step 2: Convert to fraction form
73,731.24/110,616.36 = 38,661.48/x - Step 3: Cross multiply
73,731.24x = 110,616.36 × 38,661.48 - Step 4: Simplify right side
73,731.24x = 4,276,592,189.81 - Step 5: Solve for x
x = 4,276,592,189.81/73,731.24 - Step 6: Final answer
x = 58,002.44
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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.