Finding the Fourth Proportional to 70,939.94, 106,420.84 and 24,181.88
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Solution
The fourth proportional to 70,939.94, 106,420.84 and 24,181.88 is: 36,276.54
Step by Step Solution
- Step 1: Write the proportion equation
70,939.94 : 106,420.84 = 24,181.88 : x - Step 2: Convert to fraction form
70,939.94/106,420.84 = 24,181.88/x - Step 3: Cross multiply
70,939.94x = 106,420.84 × 24,181.88 - Step 4: Simplify right side
70,939.94x = 2,573,455,389.82 - Step 5: Solve for x
x = 2,573,455,389.82/70,939.94 - Step 6: Final answer
x = 36,276.54
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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.