Finding the Fourth Proportional to 68,212.12, 101,817.92 and 63,209.04
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Solution
The fourth proportional to 68,212.12, 101,817.92 and 63,209.04 is: 94,349.99
Step by Step Solution
- Step 1: Write the proportion equation
68,212.12 : 101,817.92 = 63,209.04 : x - Step 2: Convert to fraction form
68,212.12/101,817.92 = 63,209.04/x - Step 3: Cross multiply
68,212.12x = 101,817.92 × 63,209.04 - Step 4: Simplify right side
68,212.12x = 6,435,812,978.00 - Step 5: Solve for x
x = 6,435,812,978.00/68,212.12 - Step 6: Final answer
x = 94,349.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.