Finding the Fourth Proportional to 93,957.68, 129,660.63 and 51,516.14
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Solution
The fourth proportional to 93,957.68, 129,660.63 and 51,516.14 is: 71,091.74
Step by Step Solution
- Step 1: Write the proportion equation
93,957.68 : 129,660.63 = 51,516.14 : x - Step 2: Convert to fraction form
93,957.68/129,660.63 = 51,516.14/x - Step 3: Cross multiply
93,957.68x = 129,660.63 × 51,516.14 - Step 4: Simplify right side
93,957.68x = 6,679,615,167.57 - Step 5: Solve for x
x = 6,679,615,167.57/93,957.68 - Step 6: Final answer
x = 71,091.74
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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.