Finding the Fourth Proportional to 97,576.92, 134,649.68 and 55,132.79
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Solution
The fourth proportional to 97,576.92, 134,649.68 and 55,132.79 is: 76,079.59
Step by Step Solution
- Step 1: Write the proportion equation
97,576.92 : 134,649.68 = 55,132.79 : x - Step 2: Convert to fraction form
97,576.92/134,649.68 = 55,132.79/x - Step 3: Cross multiply
97,576.92x = 134,649.68 × 55,132.79 - Step 4: Simplify right side
97,576.92x = 7,423,611,582.09 - Step 5: Solve for x
x = 7,423,611,582.09/97,576.92 - Step 6: Final answer
x = 76,079.59
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1.5x scale
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.