Finding the Fourth Proportional to 89,845.80, 134,768.70 and 48,373.80
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Solution
The fourth proportional to 89,845.80, 134,768.70 and 48,373.80 is: 72,560.70
Step by Step Solution
- Step 1: Write the proportion equation
89,845.80 : 134,768.70 = 48,373.80 : x - Step 2: Convert to fraction form
89,845.80/134,768.70 = 48,373.80/x - Step 3: Cross multiply
89,845.80x = 134,768.70 × 48,373.80 - Step 4: Simplify right side
89,845.80x = 6,519,274,140.06 - Step 5: Solve for x
x = 6,519,274,140.06/89,845.80 - Step 6: Final answer
x = 72,560.70
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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.