Finding the Fourth Proportional to 94,390.51, 130,258.83 and 51,949.08
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Solution
The fourth proportional to 94,390.51, 130,258.83 and 51,949.08 is: 71,689.69
Step by Step Solution
- Step 1: Write the proportion equation
94,390.51 : 130,258.83 = 51,949.08 : x - Step 2: Convert to fraction form
94,390.51/130,258.83 = 51,949.08/x - Step 3: Cross multiply
94,390.51x = 130,258.83 × 51,949.08 - Step 4: Simplify right side
94,390.51x = 6,766,826,380.38 - Step 5: Solve for x
x = 6,766,826,380.38/94,390.51 - Step 6: Final answer
x = 71,689.69
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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.