Finding the Fourth Proportional to 93,790.35, 129,425.58 and 51,340.68
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Solution
The fourth proportional to 93,790.35, 129,425.58 and 51,340.68 is: 70,847.35
Step by Step Solution
- Step 1: Write the proportion equation
93,790.35 : 129,425.58 = 51,340.68 : x - Step 2: Convert to fraction form
93,790.35/129,425.58 = 51,340.68/x - Step 3: Cross multiply
93,790.35x = 129,425.58 × 51,340.68 - Step 4: Simplify right side
93,790.35x = 6,644,797,286.59 - Step 5: Solve for x
x = 6,644,797,286.59/93,790.35 - Step 6: Final answer
x = 70,847.35
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1.5x scale
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.