Finding the Fourth Proportional to 68,187.36, 102,323.62 and 26,070.98
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Solution
The fourth proportional to 68,187.36, 102,323.62 and 26,070.98 is: 39,122.75
Step by Step Solution
- Step 1: Write the proportion equation
68,187.36 : 102,323.62 = 26,070.98 : x - Step 2: Convert to fraction form
68,187.36/102,323.62 = 26,070.98/x - Step 3: Cross multiply
68,187.36x = 102,323.62 × 26,070.98 - Step 4: Simplify right side
68,187.36x = 2,667,677,050.55 - Step 5: Solve for x
x = 2,667,677,050.55/68,187.36 - Step 6: Final answer
x = 39,122.75
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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.