Finding the Fourth Proportional to 68,775.09, 103,128.61 and 24,395.19
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Solution
The fourth proportional to 68,775.09, 103,128.61 and 24,395.19 is: 36,580.72
Step by Step Solution
- Step 1: Write the proportion equation
68,775.09 : 103,128.61 = 24,395.19 : x - Step 2: Convert to fraction form
68,775.09/103,128.61 = 24,395.19/x - Step 3: Cross multiply
68,775.09x = 103,128.61 × 24,395.19 - Step 4: Simplify right side
68,775.09x = 2,515,842,035.39 - Step 5: Solve for x
x = 2,515,842,035.39/68,775.09 - Step 6: Final answer
x = 36,580.72
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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.