Finding the Fourth Proportional to 68,816.08, 103,154.41 and 46,631.70
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Solution
The fourth proportional to 68,816.08, 103,154.41 and 46,631.70 is: 69,900.31
Step by Step Solution
- Step 1: Write the proportion equation
68,816.08 : 103,154.41 = 46,631.70 : x - Step 2: Convert to fraction form
68,816.08/103,154.41 = 46,631.70/x - Step 3: Cross multiply
68,816.08x = 103,154.41 × 46,631.70 - Step 4: Simplify right side
68,816.08x = 4,810,265,559.09 - Step 5: Solve for x
x = 4,810,265,559.09/68,816.08 - Step 6: Final answer
x = 69,900.31
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1.5x scale
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.