Finding the Fourth Proportional to 69,147.51, 103,702.28 and 43,808.99
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Solution
The fourth proportional to 69,147.51, 103,702.28 and 43,808.99 is: 65,701.45
Step by Step Solution
- Step 1: Write the proportion equation
69,147.51 : 103,702.28 = 43,808.99 : x - Step 2: Convert to fraction form
69,147.51/103,702.28 = 43,808.99/x - Step 3: Cross multiply
69,147.51x = 103,702.28 × 43,808.99 - Step 4: Simplify right side
69,147.51x = 4,543,091,409.94 - Step 5: Solve for x
x = 4,543,091,409.94/69,147.51 - Step 6: Final answer
x = 65,701.45
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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.