Finding the Fourth Proportional to 93,622.38, 129,189.12 and 53,327.70
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Solution
The fourth proportional to 93,622.38, 129,189.12 and 53,327.70 is: 73,586.66
Step by Step Solution
- Step 1: Write the proportion equation
93,622.38 : 129,189.12 = 53,327.70 : x - Step 2: Convert to fraction form
93,622.38/129,189.12 = 53,327.70/x - Step 3: Cross multiply
93,622.38x = 129,189.12 × 53,327.70 - Step 4: Simplify right side
93,622.38x = 6,889,358,634.62 - Step 5: Solve for x
x = 6,889,358,634.62/93,622.38 - Step 6: Final answer
x = 73,586.66
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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.