Finding the Fourth Proportional to 113,507.76, 170,271.36 and 46,935.12
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Solution
The fourth proportional to 113,507.76, 170,271.36 and 46,935.12 is: 70,406.70
Step by Step Solution
- Step 1: Write the proportion equation
113,507.76 : 170,271.36 = 46,935.12 : x - Step 2: Convert to fraction form
113,507.76/170,271.36 = 46,935.12/x - Step 3: Cross multiply
113,507.76x = 170,271.36 × 46,935.12 - Step 4: Simplify right side
113,507.76x = 7,991,706,714.16 - Step 5: Solve for x
x = 7,991,706,714.16/113,507.76 - Step 6: Final answer
x = 70,406.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.