Finding the Fourth Proportional to 97,203.24, 134,142.12 and 54,762.48
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Solution
The fourth proportional to 97,203.24, 134,142.12 and 54,762.48 is: 75,573.15
Step by Step Solution
- Step 1: Write the proportion equation
97,203.24 : 134,142.12 = 54,762.48 : x - Step 2: Convert to fraction form
97,203.24/134,142.12 = 54,762.48/x - Step 3: Cross multiply
97,203.24x = 134,142.12 × 54,762.48 - Step 4: Simplify right side
97,203.24x = 7,345,955,163.66 - Step 5: Solve for x
x = 7,345,955,163.66/97,203.24 - Step 6: Final answer
x = 75,573.15
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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.