Finding the Fourth Proportional to 117,652.93, 162,362.07 and 63,937.94
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Solution
The fourth proportional to 117,652.93, 162,362.07 and 63,937.94 is: 88,234.92
Step by Step Solution
- Step 1: Write the proportion equation
117,652.93 : 162,362.07 = 63,937.94 : x - Step 2: Convert to fraction form
117,652.93/162,362.07 = 63,937.94/x - Step 3: Cross multiply
117,652.93x = 162,362.07 × 63,937.94 - Step 4: Simplify right side
117,652.93x = 10,381,096,391.41 - Step 5: Solve for x
x = 10,381,096,391.41/117,652.93 - Step 6: Final answer
x = 88,234.92
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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.