Finding the Fourth Proportional to 94,917.49, 130,982.07 and 54,603.79
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Solution
The fourth proportional to 94,917.49, 130,982.07 and 54,603.79 is: 75,350.89
Step by Step Solution
- Step 1: Write the proportion equation
94,917.49 : 130,982.07 = 54,603.79 : x - Step 2: Convert to fraction form
94,917.49/130,982.07 = 54,603.79/x - Step 3: Cross multiply
94,917.49x = 130,982.07 × 54,603.79 - Step 4: Simplify right side
94,917.49x = 7,152,117,444.05 - Step 5: Solve for x
x = 7,152,117,444.05/94,917.49 - Step 6: Final answer
x = 75,350.89
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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.