Finding the Fourth Proportional to 89,211.18, 133,816.70 and 26,881.68
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Solution
The fourth proportional to 89,211.18, 133,816.70 and 26,881.68 is: 40,322.50
Step by Step Solution
- Step 1: Write the proportion equation
89,211.18 : 133,816.70 = 26,881.68 : x - Step 2: Convert to fraction form
89,211.18/133,816.70 = 26,881.68/x - Step 3: Cross multiply
89,211.18x = 133,816.70 × 26,881.68 - Step 4: Simplify right side
89,211.18x = 3,597,217,708.06 - Step 5: Solve for x
x = 3,597,217,708.06/89,211.18 - Step 6: Final answer
x = 40,322.50
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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.