Finding the Fourth Proportional to 94,757.17, 130,776.36 and 53,931.23
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Solution
The fourth proportional to 94,757.17, 130,776.36 and 53,931.23 is: 74,431.62
Step by Step Solution
- Step 1: Write the proportion equation
94,757.17 : 130,776.36 = 53,931.23 : x - Step 2: Convert to fraction form
94,757.17/130,776.36 = 53,931.23/x - Step 3: Cross multiply
94,757.17x = 130,776.36 × 53,931.23 - Step 4: Simplify right side
94,757.17x = 7,052,929,498.08 - Step 5: Solve for x
x = 7,052,929,498.08/94,757.17 - Step 6: Final answer
x = 74,431.62
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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.