Finding the Fourth Proportional to 69,812.26, 103,928.74 and 69,397.07
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Solution
The fourth proportional to 69,812.26, 103,928.74 and 69,397.07 is: 103,310.65
Step by Step Solution
- Step 1: Write the proportion equation
69,812.26 : 103,928.74 = 69,397.07 : x - Step 2: Convert to fraction form
69,812.26/103,928.74 = 69,397.07/x - Step 3: Cross multiply
69,812.26x = 103,928.74 × 69,397.07 - Step 4: Simplify right side
69,812.26x = 7,212,349,525.15 - Step 5: Solve for x
x = 7,212,349,525.15/69,812.26 - Step 6: Final answer
x = 103,310.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.