Finding the Fourth Proportional to 98,369.52, 135,750.36 and 53,658.48
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Solution
The fourth proportional to 98,369.52, 135,750.36 and 53,658.48 is: 74,048.93
Step by Step Solution
- Step 1: Write the proportion equation
98,369.52 : 135,750.36 = 53,658.48 : x - Step 2: Convert to fraction form
98,369.52/135,750.36 = 53,658.48/x - Step 3: Cross multiply
98,369.52x = 135,750.36 × 53,658.48 - Step 4: Simplify right side
98,369.52x = 7,284,157,977.05 - Step 5: Solve for x
x = 7,284,157,977.05/98,369.52 - Step 6: Final answer
x = 74,048.93
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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.