Finding the Fourth Proportional to 97,859.23, 135,043.44 and 57,575.59
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Solution
The fourth proportional to 97,859.23, 135,043.44 and 57,575.59 is: 79,452.96
Step by Step Solution
- Step 1: Write the proportion equation
97,859.23 : 135,043.44 = 57,575.59 : x - Step 2: Convert to fraction form
97,859.23/135,043.44 = 57,575.59/x - Step 3: Cross multiply
97,859.23x = 135,043.44 × 57,575.59 - Step 4: Simplify right side
97,859.23x = 7,775,205,733.63 - Step 5: Solve for x
x = 7,775,205,733.63/97,859.23 - Step 6: Final answer
x = 79,452.96
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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.