Finding the Fourth Proportional to 81,801.98, 122,705.71 and 22,632.70
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Solution
The fourth proportional to 81,801.98, 122,705.71 and 22,632.70 is: 33,949.80
Step by Step Solution
- Step 1: Write the proportion equation
81,801.98 : 122,705.71 = 22,632.70 : x - Step 2: Convert to fraction form
81,801.98/122,705.71 = 22,632.70/x - Step 3: Cross multiply
81,801.98x = 122,705.71 × 22,632.70 - Step 4: Simplify right side
81,801.98x = 2,777,160,909.19 - Step 5: Solve for x
x = 2,777,160,909.19/81,801.98 - Step 6: Final answer
x = 33,949.80
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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.