Finding the Fourth Proportional to 74,056.37, 102,197.36 and 40,064.75
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Solution
The fourth proportional to 74,056.37, 102,197.36 and 40,064.75 is: 55,289.12
Step by Step Solution
- Step 1: Write the proportion equation
74,056.37 : 102,197.36 = 40,064.75 : x - Step 2: Convert to fraction form
74,056.37/102,197.36 = 40,064.75/x - Step 3: Cross multiply
74,056.37x = 102,197.36 × 40,064.75 - Step 4: Simplify right side
74,056.37x = 4,094,511,478.74 - Step 5: Solve for x
x = 4,094,511,478.74/74,056.37 - Step 6: Final answer
x = 55,289.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.