Finding the Fourth Proportional to 93,190.45, 128,604.87 and 50,748.99
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Solution
The fourth proportional to 93,190.45, 128,604.87 and 50,748.99 is: 70,034.72
Step by Step Solution
- Step 1: Write the proportion equation
93,190.45 : 128,604.87 = 50,748.99 : x - Step 2: Convert to fraction form
93,190.45/128,604.87 = 50,748.99/x - Step 3: Cross multiply
93,190.45x = 128,604.87 × 50,748.99 - Step 4: Simplify right side
93,190.45x = 6,526,567,261.58 - Step 5: Solve for x
x = 6,526,567,261.58/93,190.45 - Step 6: Final answer
x = 70,034.72
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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.