Finding the Fourth Proportional to 107,930.97, 148,955.67 and 62,622.81
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Solution
The fourth proportional to 107,930.97, 148,955.67 and 62,622.81 is: 86,425.82
Step by Step Solution
- Step 1: Write the proportion equation
107,930.97 : 148,955.67 = 62,622.81 : x - Step 2: Convert to fraction form
107,930.97/148,955.67 = 62,622.81/x - Step 3: Cross multiply
107,930.97x = 148,955.67 × 62,622.81 - Step 4: Simplify right side
107,930.97x = 9,328,022,620.83 - Step 5: Solve for x
x = 9,328,022,620.83/107,930.97 - Step 6: Final answer
x = 86,425.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.