Finding the Fourth Proportional to 80,811.08, 121,223.64 and 24,663.84
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Solution
The fourth proportional to 80,811.08, 121,223.64 and 24,663.84 is: 36,997.90
Step by Step Solution
- Step 1: Write the proportion equation
80,811.08 : 121,223.64 = 24,663.84 : x - Step 2: Convert to fraction form
80,811.08/121,223.64 = 24,663.84/x - Step 3: Cross multiply
80,811.08x = 121,223.64 × 24,663.84 - Step 4: Simplify right side
80,811.08x = 2,989,840,461.18 - Step 5: Solve for x
x = 2,989,840,461.18/80,811.08 - Step 6: Final answer
x = 36,997.90
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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.