Finding the Fourth Proportional to 96,990.84, 145,469.79 and 26,853.75
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Solution
The fourth proportional to 96,990.84, 145,469.79 and 26,853.75 is: 40,276.06
Step by Step Solution
- Step 1: Write the proportion equation
96,990.84 : 145,469.79 = 26,853.75 : x - Step 2: Convert to fraction form
96,990.84/145,469.79 = 26,853.75/x - Step 3: Cross multiply
96,990.84x = 145,469.79 × 26,853.75 - Step 4: Simplify right side
96,990.84x = 3,906,409,373.21 - Step 5: Solve for x
x = 3,906,409,373.21/96,990.84 - Step 6: Final answer
x = 40,276.06
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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.