Finding the Fourth Proportional to 117,465.99, 162,103.00 and 66,477.79
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Solution
The fourth proportional to 117,465.99, 162,103.00 and 66,477.79 is: 91,739.32
Step by Step Solution
- Step 1: Write the proportion equation
117,465.99 : 162,103.00 = 66,477.79 : x - Step 2: Convert to fraction form
117,465.99/162,103.00 = 66,477.79/x - Step 3: Cross multiply
117,465.99x = 162,103.00 × 66,477.79 - Step 4: Simplify right side
117,465.99x = 10,776,250,157.05 - Step 5: Solve for x
x = 10,776,250,157.05/117,465.99 - Step 6: Final answer
x = 91,739.32
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1.5x scale
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.