Finding the Fourth Proportional to 68,129.84, 102,066.16 and 34,870.98
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Solution
The fourth proportional to 68,129.84, 102,066.16 and 34,870.98 is: 52,240.65
Step by Step Solution
- Step 1: Write the proportion equation
68,129.84 : 102,066.16 = 34,870.98 : x - Step 2: Convert to fraction form
68,129.84/102,066.16 = 34,870.98/x - Step 3: Cross multiply
68,129.84x = 102,066.16 × 34,870.98 - Step 4: Simplify right side
68,129.84x = 3,559,147,024.04 - Step 5: Solve for x
x = 3,559,147,024.04/68,129.84 - Step 6: Final answer
x = 52,240.65
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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.