Finding the Fourth Proportional to 68,829.21, 103,287.51 and 29,386.62
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Solution
The fourth proportional to 68,829.21, 103,287.51 and 29,386.62 is: 44,098.59
Step by Step Solution
- Step 1: Write the proportion equation
68,829.21 : 103,287.51 = 29,386.62 : x - Step 2: Convert to fraction form
68,829.21/103,287.51 = 29,386.62/x - Step 3: Cross multiply
68,829.21x = 103,287.51 × 29,386.62 - Step 4: Simplify right side
68,829.21x = 3,035,270,807.12 - Step 5: Solve for x
x = 3,035,270,807.12/68,829.21 - Step 6: Final answer
x = 44,098.59
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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.