Finding the Fourth Proportional to 117,464.97, 162,102.87 and 63,750.45
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Solution
The fourth proportional to 117,464.97, 162,102.87 and 63,750.45 is: 87,976.28
Step by Step Solution
- Step 1: Write the proportion equation
117,464.97 : 162,102.87 = 63,750.45 : x - Step 2: Convert to fraction form
117,464.97/162,102.87 = 63,750.45/x - Step 3: Cross multiply
117,464.97x = 162,102.87 × 63,750.45 - Step 4: Simplify right side
117,464.97x = 10,334,130,908.79 - Step 5: Solve for x
x = 10,334,130,908.79/117,464.97 - Step 6: Final answer
x = 87,976.28
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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.