Finding the Fourth Proportional to 68,759.14, 103,117.11 and 26,636.31
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Solution
The fourth proportional to 68,759.14, 103,117.11 and 26,636.31 is: 39,946.09
Step by Step Solution
- Step 1: Write the proportion equation
68,759.14 : 103,117.11 = 26,636.31 : x - Step 2: Convert to fraction form
68,759.14/103,117.11 = 26,636.31/x - Step 3: Cross multiply
68,759.14x = 103,117.11 × 26,636.31 - Step 4: Simplify right side
68,759.14x = 2,746,658,792.68 - Step 5: Solve for x
x = 2,746,658,792.68/68,759.14 - Step 6: Final answer
x = 39,946.09
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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.