Finding the Fourth Proportional to 97,859.73, 135,044.13 and 57,576.09
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Solution
The fourth proportional to 97,859.73, 135,044.13 and 57,576.09 is: 79,453.65
Step by Step Solution
- Step 1: Write the proportion equation
97,859.73 : 135,044.13 = 57,576.09 : x - Step 2: Convert to fraction form
97,859.73/135,044.13 = 57,576.09/x - Step 3: Cross multiply
97,859.73x = 135,044.13 × 57,576.09 - Step 4: Simplify right side
97,859.73x = 7,775,312,982.85 - Step 5: Solve for x
x = 7,775,312,982.85/97,859.73 - Step 6: Final answer
x = 79,453.65
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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.