Finding the Fourth Proportional to 99,864.09, 149,625.63 and 54,923.06
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Solution
The fourth proportional to 99,864.09, 149,625.63 and 54,923.06 is: 82,290.82
Step by Step Solution
- Step 1: Write the proportion equation
99,864.09 : 149,625.63 = 54,923.06 : x - Step 2: Convert to fraction form
99,864.09/149,625.63 = 54,923.06/x - Step 3: Cross multiply
99,864.09x = 149,625.63 × 54,923.06 - Step 4: Simplify right side
99,864.09x = 8,217,897,828.09 - Step 5: Solve for x
x = 8,217,897,828.09/99,864.09 - Step 6: Final answer
x = 82,290.82
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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.