Finding the Fourth Proportional to 97,606.68, 134,657.22 and 65,785.80
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Solution
The fourth proportional to 97,606.68, 134,657.22 and 65,785.80 is: 90,757.45
Step by Step Solution
- Step 1: Write the proportion equation
97,606.68 : 134,657.22 = 65,785.80 : x - Step 2: Convert to fraction form
97,606.68/134,657.22 = 65,785.80/x - Step 3: Cross multiply
97,606.68x = 134,657.22 × 65,785.80 - Step 4: Simplify right side
97,606.68x = 8,858,532,943.48 - Step 5: Solve for x
x = 8,858,532,943.48/97,606.68 - Step 6: Final answer
x = 90,757.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.