Finding the Fourth Proportional to 81,652.96, 122,423.74 and 41,573.44
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Solution
The fourth proportional to 81,652.96, 122,423.74 and 41,573.44 is: 62,331.80
Step by Step Solution
- Step 1: Write the proportion equation
81,652.96 : 122,423.74 = 41,573.44 : x - Step 2: Convert to fraction form
81,652.96/122,423.74 = 41,573.44/x - Step 3: Cross multiply
81,652.96x = 122,423.74 × 41,573.44 - Step 4: Simplify right side
81,652.96x = 5,089,576,009.47 - Step 5: Solve for x
x = 5,089,576,009.47/81,652.96 - Step 6: Final answer
x = 62,331.80
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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.