Finding the Fourth Proportional to 72,530.91, 100,067.00 and 47,394.99
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Solution
The fourth proportional to 72,530.91, 100,067.00 and 47,394.99 is: 65,388.32
Step by Step Solution
- Step 1: Write the proportion equation
72,530.91 : 100,067.00 = 47,394.99 : x - Step 2: Convert to fraction form
72,530.91/100,067.00 = 47,394.99/x - Step 3: Cross multiply
72,530.91x = 100,067.00 × 47,394.99 - Step 4: Simplify right side
72,530.91x = 4,742,674,227.36 - Step 5: Solve for x
x = 4,742,674,227.36/72,530.91 - Step 6: Final answer
x = 65,388.32
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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.