Finding the Fourth Proportional to 77,113.44, 115,660.08 and 24,523.20
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Solution
The fourth proportional to 77,113.44, 115,660.08 and 24,523.20 is: 36,781.59
Step by Step Solution
- Step 1: Write the proportion equation
77,113.44 : 115,660.08 = 24,523.20 : x - Step 2: Convert to fraction form
77,113.44/115,660.08 = 24,523.20/x - Step 3: Cross multiply
77,113.44x = 115,660.08 × 24,523.20 - Step 4: Simplify right side
77,113.44x = 2,836,355,273.86 - Step 5: Solve for x
x = 2,836,355,273.86/77,113.44 - Step 6: Final answer
x = 36,781.59
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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.