Finding the Fourth Proportional to 73,539.24, 110,286.81 and 31,417.62
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Solution
The fourth proportional to 73,539.24, 110,286.81 and 31,417.62 is: 47,117.01
Step by Step Solution
- Step 1: Write the proportion equation
73,539.24 : 110,286.81 = 31,417.62 : x - Step 2: Convert to fraction form
73,539.24/110,286.81 = 31,417.62/x - Step 3: Cross multiply
73,539.24x = 110,286.81 × 31,417.62 - Step 4: Simplify right side
73,539.24x = 3,464,949,087.59 - Step 5: Solve for x
x = 3,464,949,087.59/73,539.24 - Step 6: Final answer
x = 47,117.01
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1.5x scale
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.