Finding the Fourth Proportional to 68,437.15, 102,622.92 and 35,140.08
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Solution
The fourth proportional to 68,437.15, 102,622.92 and 35,140.08 is: 52,693.28
Step by Step Solution
- Step 1: Write the proportion equation
68,437.15 : 102,622.92 = 35,140.08 : x - Step 2: Convert to fraction form
68,437.15/102,622.92 = 35,140.08/x - Step 3: Cross multiply
68,437.15x = 102,622.92 × 35,140.08 - Step 4: Simplify right side
68,437.15x = 3,606,177,618.63 - Step 5: Solve for x
x = 3,606,177,618.63/68,437.15 - Step 6: Final answer
x = 52,693.28
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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.