Finding the Fourth Proportional to 83,574.05, 125,295.44 and 57,198.83
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Solution
The fourth proportional to 83,574.05, 125,295.44 and 57,198.83 is: 85,753.32
Step by Step Solution
- Step 1: Write the proportion equation
83,574.05 : 125,295.44 = 57,198.83 : x - Step 2: Convert to fraction form
83,574.05/125,295.44 = 57,198.83/x - Step 3: Cross multiply
83,574.05x = 125,295.44 × 57,198.83 - Step 4: Simplify right side
83,574.05x = 7,166,751,659.86 - Step 5: Solve for x
x = 7,166,751,659.86/83,574.05 - Step 6: Final answer
x = 85,753.32
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1.5x scale
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.