Finding the Fourth Proportional to 107,541.30, 148,406.09 and 59,794.23
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Solution
The fourth proportional to 107,541.30, 148,406.09 and 59,794.23 is: 82,515.53
Step by Step Solution
- Step 1: Write the proportion equation
107,541.30 : 148,406.09 = 59,794.23 : x - Step 2: Convert to fraction form
107,541.30/148,406.09 = 59,794.23/x - Step 3: Cross multiply
107,541.30x = 148,406.09 × 59,794.23 - Step 4: Simplify right side
107,541.30x = 8,873,827,507.85 - Step 5: Solve for x
x = 8,873,827,507.85/107,541.30 - Step 6: Final answer
x = 82,515.53
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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.