Finding the Fourth Proportional to 94,790.13, 130,808.57 and 52,347.75
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Solution
The fourth proportional to 94,790.13, 130,808.57 and 52,347.75 is: 72,238.89
Step by Step Solution
- Step 1: Write the proportion equation
94,790.13 : 130,808.57 = 52,347.75 : x - Step 2: Convert to fraction form
94,790.13/130,808.57 = 52,347.75/x - Step 3: Cross multiply
94,790.13x = 130,808.57 × 52,347.75 - Step 4: Simplify right side
94,790.13x = 6,847,534,058.48 - Step 5: Solve for x
x = 6,847,534,058.48/94,790.13 - Step 6: Final answer
x = 72,238.89
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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.