Finding the Fourth Proportional to 107,135.39, 160,696.71 and 47,955.17
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Solution
The fourth proportional to 107,135.39, 160,696.71 and 47,955.17 is: 71,929.90
Step by Step Solution
- Step 1: Write the proportion equation
107,135.39 : 160,696.71 = 47,955.17 : x - Step 2: Convert to fraction form
107,135.39/160,696.71 = 47,955.17/x - Step 3: Cross multiply
107,135.39x = 160,696.71 × 47,955.17 - Step 4: Simplify right side
107,135.39x = 7,706,238,448.23 - Step 5: Solve for x
x = 7,706,238,448.23/107,135.39 - Step 6: Final answer
x = 71,929.90
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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.