Finding the Fourth Proportional to 94,555.24, 130,487.14 and 52,115.40
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Solution
The fourth proportional to 94,555.24, 130,487.14 and 52,115.40 is: 71,919.75
Step by Step Solution
- Step 1: Write the proportion equation
94,555.24 : 130,487.14 = 52,115.40 : x - Step 2: Convert to fraction form
94,555.24/130,487.14 = 52,115.40/x - Step 3: Cross multiply
94,555.24x = 130,487.14 × 52,115.40 - Step 4: Simplify right side
94,555.24x = 6,800,389,495.96 - Step 5: Solve for x
x = 6,800,389,495.96/94,555.24 - Step 6: Final answer
x = 71,919.75
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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.