Finding the Fourth Proportional to 93,430.14, 128,247.74 and 82,582.62
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Solution
The fourth proportional to 93,430.14, 128,247.74 and 82,582.62 is: 113,357.79
Step by Step Solution
- Step 1: Write the proportion equation
93,430.14 : 128,247.74 = 82,582.62 : x - Step 2: Convert to fraction form
93,430.14/128,247.74 = 82,582.62/x - Step 3: Cross multiply
93,430.14x = 128,247.74 × 82,582.62 - Step 4: Simplify right side
93,430.14x = 10,591,033,965.37 - Step 5: Solve for x
x = 10,591,033,965.37/93,430.14 - Step 6: Final answer
x = 113,357.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.