Finding the Fourth Proportional to 70,769.99, 106,152.23 and 26,396.66
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Solution
The fourth proportional to 70,769.99, 106,152.23 and 26,396.66 is: 39,593.96
Step by Step Solution
- Step 1: Write the proportion equation
70,769.99 : 106,152.23 = 26,396.66 : x - Step 2: Convert to fraction form
70,769.99/106,152.23 = 26,396.66/x - Step 3: Cross multiply
70,769.99x = 106,152.23 × 26,396.66 - Step 4: Simplify right side
70,769.99x = 2,802,063,660.81 - Step 5: Solve for x
x = 2,802,063,660.81/70,769.99 - Step 6: Final answer
x = 39,593.96
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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.