Finding the Fourth Proportional to 76,903.20, 115,349.76 and 24,350.40
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Solution
The fourth proportional to 76,903.20, 115,349.76 and 24,350.40 is: 36,524.00
Step by Step Solution
- Step 1: Write the proportion equation
76,903.20 : 115,349.76 = 24,350.40 : x - Step 2: Convert to fraction form
76,903.20/115,349.76 = 24,350.40/x - Step 3: Cross multiply
76,903.20x = 115,349.76 × 24,350.40 - Step 4: Simplify right side
76,903.20x = 2,808,812,795.90 - Step 5: Solve for x
x = 2,808,812,795.90/76,903.20 - Step 6: Final answer
x = 36,524.00
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1.5x scale
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.