Finding the Fourth Proportional to 68,829.84, 103,175.02 and 46,645.44
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Solution
The fourth proportional to 68,829.84, 103,175.02 and 46,645.44 is: 69,920.90
Step by Step Solution
- Step 1: Write the proportion equation
68,829.84 : 103,175.02 = 46,645.44 : x - Step 2: Convert to fraction form
68,829.84/103,175.02 = 46,645.44/x - Step 3: Cross multiply
68,829.84x = 103,175.02 × 46,645.44 - Step 4: Simplify right side
68,829.84x = 4,812,644,204.91 - Step 5: Solve for x
x = 4,812,644,204.91/68,829.84 - Step 6: Final answer
x = 69,920.90
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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.