Finding the Fourth Proportional to 98,006.11, 135,259.34 and 54,992.68
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Solution
The fourth proportional to 98,006.11, 135,259.34 and 54,992.68 is: 75,896.02
Step by Step Solution
- Step 1: Write the proportion equation
98,006.11 : 135,259.34 = 54,992.68 : x - Step 2: Convert to fraction form
98,006.11/135,259.34 = 54,992.68/x - Step 3: Cross multiply
98,006.11x = 135,259.34 × 54,992.68 - Step 4: Simplify right side
98,006.11x = 7,438,273,601.63 - Step 5: Solve for x
x = 7,438,273,601.63/98,006.11 - Step 6: Final answer
x = 75,896.02
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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.