Finding the Fourth Proportional to 68,943.13, 103,389.16 and 24,558.09
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Solution
The fourth proportional to 68,943.13, 103,389.16 and 24,558.09 is: 36,828.04
Step by Step Solution
- Step 1: Write the proportion equation
68,943.13 : 103,389.16 = 24,558.09 : x - Step 2: Convert to fraction form
68,943.13/103,389.16 = 24,558.09/x - Step 3: Cross multiply
68,943.13x = 103,389.16 × 24,558.09 - Step 4: Simplify right side
68,943.13x = 2,539,040,173.51 - Step 5: Solve for x
x = 2,539,040,173.51/68,943.13 - Step 6: Final answer
x = 36,828.04
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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.