Finding the Fourth Proportional to 94,647.24, 130,613.30 and 54,368.80
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Solution
The fourth proportional to 94,647.24, 130,613.30 and 54,368.80 is: 75,029.01
Step by Step Solution
- Step 1: Write the proportion equation
94,647.24 : 130,613.30 = 54,368.80 : x - Step 2: Convert to fraction form
94,647.24/130,613.30 = 54,368.80/x - Step 3: Cross multiply
94,647.24x = 130,613.30 × 54,368.80 - Step 4: Simplify right side
94,647.24x = 7,101,288,385.04 - Step 5: Solve for x
x = 7,101,288,385.04/94,647.24 - Step 6: Final answer
x = 75,029.01
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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.