Finding the Fourth Proportional to 68,332.74, 102,520.98 and 57,213.06
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Solution
The fourth proportional to 68,332.74, 102,520.98 and 57,213.06 is: 85,837.90
Step by Step Solution
- Step 1: Write the proportion equation
68,332.74 : 102,520.98 = 57,213.06 : x - Step 2: Convert to fraction form
68,332.74/102,520.98 = 57,213.06/x - Step 3: Cross multiply
68,332.74x = 102,520.98 × 57,213.06 - Step 4: Simplify right side
68,332.74x = 5,865,538,980.00 - Step 5: Solve for x
x = 5,865,538,980.00/68,332.74 - Step 6: Final answer
x = 85,837.90
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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.