Finding the Fourth Proportional to 93,957.14, 129,660.67 and 51,515.57
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Solution
The fourth proportional to 93,957.14, 129,660.67 and 51,515.57 is: 71,091.39
Step by Step Solution
- Step 1: Write the proportion equation
93,957.14 : 129,660.67 = 51,515.57 : x - Step 2: Convert to fraction form
93,957.14/129,660.67 = 51,515.57/x - Step 3: Cross multiply
93,957.14x = 129,660.67 × 51,515.57 - Step 4: Simplify right side
93,957.14x = 6,679,543,321.63 - Step 5: Solve for x
x = 6,679,543,321.63/93,957.14 - Step 6: Final answer
x = 71,091.39
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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.