Finding the Fourth Proportional to 68,804.07, 103,220.69 and 22,089.75
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Solution
The fourth proportional to 68,804.07, 103,220.69 and 22,089.75 is: 33,139.31
Step by Step Solution
- Step 1: Write the proportion equation
68,804.07 : 103,220.69 = 22,089.75 : x - Step 2: Convert to fraction form
68,804.07/103,220.69 = 22,089.75/x - Step 3: Cross multiply
68,804.07x = 103,220.69 × 22,089.75 - Step 4: Simplify right side
68,804.07x = 2,280,119,236.93 - Step 5: Solve for x
x = 2,280,119,236.93/68,804.07 - Step 6: Final answer
x = 33,139.31
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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.