Finding the Fourth Proportional to 97,845.76, 135,027.18 and 53,133.76
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Solution
The fourth proportional to 97,845.76, 135,027.18 and 53,133.76 is: 73,324.61
Step by Step Solution
- Step 1: Write the proportion equation
97,845.76 : 135,027.18 = 53,133.76 : x - Step 2: Convert to fraction form
97,845.76/135,027.18 = 53,133.76/x - Step 3: Cross multiply
97,845.76x = 135,027.18 × 53,133.76 - Step 4: Simplify right side
97,845.76x = 7,174,501,775.60 - Step 5: Solve for x
x = 7,174,501,775.60/97,845.76 - Step 6: Final answer
x = 73,324.61
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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.