Finding the Fourth Proportional to 70,141.57, 105,227.16 and 22,752.99
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Solution
The fourth proportional to 70,141.57, 105,227.16 and 22,752.99 is: 34,134.29
Step by Step Solution
- Step 1: Write the proportion equation
70,141.57 : 105,227.16 = 22,752.99 : x - Step 2: Convert to fraction form
70,141.57/105,227.16 = 22,752.99/x - Step 3: Cross multiply
70,141.57x = 105,227.16 × 22,752.99 - Step 4: Simplify right side
70,141.57x = 2,394,232,519.21 - Step 5: Solve for x
x = 2,394,232,519.21/70,141.57 - Step 6: Final answer
x = 34,134.29
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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.