Finding the Fourth Proportional to 68,810.08, 103,229.70 and 22,095.76
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Solution
The fourth proportional to 68,810.08, 103,229.70 and 22,095.76 is: 33,148.32
Step by Step Solution
- Step 1: Write the proportion equation
68,810.08 : 103,229.70 = 22,095.76 : x - Step 2: Convert to fraction form
68,810.08/103,229.70 = 22,095.76/x - Step 3: Cross multiply
68,810.08x = 103,229.70 × 22,095.76 - Step 4: Simplify right side
68,810.08x = 2,280,938,676.07 - Step 5: Solve for x
x = 2,280,938,676.07/68,810.08 - Step 6: Final answer
x = 33,148.32
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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.