Finding the Fourth Proportional to 68,947.40, 103,324.70 and 37,289.09
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Solution
The fourth proportional to 68,947.40, 103,324.70 and 37,289.09 is: 55,881.49
Step by Step Solution
- Step 1: Write the proportion equation
68,947.40 : 103,324.70 = 37,289.09 : x - Step 2: Convert to fraction form
68,947.40/103,324.70 = 37,289.09/x - Step 3: Cross multiply
68,947.40x = 103,324.70 × 37,289.09 - Step 4: Simplify right side
68,947.40x = 3,852,883,334.45 - Step 5: Solve for x
x = 3,852,883,334.45/68,947.40 - Step 6: Final answer
x = 55,881.49
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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.