Finding the Fourth Proportional to 80,937.56, 121,420.70 and 24,776.44
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Solution
The fourth proportional to 80,937.56, 121,420.70 and 24,776.44 is: 37,169.06
Step by Step Solution
- Step 1: Write the proportion equation
80,937.56 : 121,420.70 = 24,776.44 : x - Step 2: Convert to fraction form
80,937.56/121,420.70 = 24,776.44/x - Step 3: Cross multiply
80,937.56x = 121,420.70 × 24,776.44 - Step 4: Simplify right side
80,937.56x = 3,008,372,688.31 - Step 5: Solve for x
x = 3,008,372,688.31/80,937.56 - Step 6: Final answer
x = 37,169.06
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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.