Finding the Fourth Proportional to 81,862.42, 122,793.64 and 22,698.09
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Solution
The fourth proportional to 81,862.42, 122,793.64 and 22,698.09 is: 34,047.14
Step by Step Solution
- Step 1: Write the proportion equation
81,862.42 : 122,793.64 = 22,698.09 : x - Step 2: Convert to fraction form
81,862.42/122,793.64 = 22,698.09/x - Step 3: Cross multiply
81,862.42x = 122,793.64 × 22,698.09 - Step 4: Simplify right side
81,862.42x = 2,787,181,092.15 - Step 5: Solve for x
x = 2,787,181,092.15/81,862.42 - Step 6: Final answer
x = 34,047.14
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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.