Finding the Fourth Proportional to 117,562.06, 162,235.60 and 63,847.09
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Solution
The fourth proportional to 117,562.06, 162,235.60 and 63,847.09 is: 88,108.96
Step by Step Solution
- Step 1: Write the proportion equation
117,562.06 : 162,235.60 = 63,847.09 : x - Step 2: Convert to fraction form
117,562.06/162,235.60 = 63,847.09/x - Step 3: Cross multiply
117,562.06x = 162,235.60 × 63,847.09 - Step 4: Simplify right side
117,562.06x = 10,358,270,954.40 - Step 5: Solve for x
x = 10,358,270,954.40/117,562.06 - Step 6: Final answer
x = 88,108.96
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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.