Finding the Fourth Proportional to 94,346.63, 130,198.16 and 51,905.06
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Solution
The fourth proportional to 94,346.63, 130,198.16 and 51,905.06 is: 71,628.88
Step by Step Solution
- Step 1: Write the proportion equation
94,346.63 : 130,198.16 = 51,905.06 : x - Step 2: Convert to fraction form
94,346.63/130,198.16 = 51,905.06/x - Step 3: Cross multiply
94,346.63x = 130,198.16 × 51,905.06 - Step 4: Simplify right side
94,346.63x = 6,757,943,047.16 - Step 5: Solve for x
x = 6,757,943,047.16/94,346.63 - Step 6: Final answer
x = 71,628.88
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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.