Finding the Fourth Proportional to 71,587.71, 107,395.38 and 27,210.99
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Solution
The fourth proportional to 71,587.71, 107,395.38 and 27,210.99 is: 40,821.74
Step by Step Solution
- Step 1: Write the proportion equation
71,587.71 : 107,395.38 = 27,210.99 : x - Step 2: Convert to fraction form
71,587.71/107,395.38 = 27,210.99/x - Step 3: Cross multiply
71,587.71x = 107,395.38 × 27,210.99 - Step 4: Simplify right side
71,587.71x = 2,922,334,611.23 - Step 5: Solve for x
x = 2,922,334,611.23/71,587.71 - Step 6: Final answer
x = 40,821.74
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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.