Finding the Fourth Proportional to 83,807.08, 125,765.34 and 31,258.60
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Solution
The fourth proportional to 83,807.08, 125,765.34 and 31,258.60 is: 46,908.31
Step by Step Solution
- Step 1: Write the proportion equation
83,807.08 : 125,765.34 = 31,258.60 : x - Step 2: Convert to fraction form
83,807.08/125,765.34 = 31,258.60/x - Step 3: Cross multiply
83,807.08x = 125,765.34 × 31,258.60 - Step 4: Simplify right side
83,807.08x = 3,931,248,456.92 - Step 5: Solve for x
x = 3,931,248,456.92/83,807.08 - Step 6: Final answer
x = 46,908.31
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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.