Finding the Fourth Proportional to 75,232.61, 103,820.34 and 41,242.98
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Solution
The fourth proportional to 75,232.61, 103,820.34 and 41,242.98 is: 56,914.95
Step by Step Solution
- Step 1: Write the proportion equation
75,232.61 : 103,820.34 = 41,242.98 : x - Step 2: Convert to fraction form
75,232.61/103,820.34 = 41,242.98/x - Step 3: Cross multiply
75,232.61x = 103,820.34 × 41,242.98 - Step 4: Simplify right side
75,232.61x = 4,281,860,000.00 - Step 5: Solve for x
x = 4,281,860,000.00/75,232.61 - Step 6: Final answer
x = 56,914.95
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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.