Finding the Fourth Proportional to 93,883.08, 129,563.84 and 53,609.78
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Solution
The fourth proportional to 93,883.08, 129,563.84 and 53,609.78 is: 73,984.45
Step by Step Solution
- Step 1: Write the proportion equation
93,883.08 : 129,563.84 = 53,609.78 : x - Step 2: Convert to fraction form
93,883.08/129,563.84 = 53,609.78/x - Step 3: Cross multiply
93,883.08x = 129,563.84 × 53,609.78 - Step 4: Simplify right side
93,883.08x = 6,945,888,042.49 - Step 5: Solve for x
x = 6,945,888,042.49/93,883.08 - Step 6: Final answer
x = 73,984.45
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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.