Finding the Fourth Proportional to 91,242.05, 125,910.45 and 50,955.08
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Solution
The fourth proportional to 91,242.05, 125,910.45 and 50,955.08 is: 70,316.01
Step by Step Solution
- Step 1: Write the proportion equation
91,242.05 : 125,910.45 = 50,955.08 : x - Step 2: Convert to fraction form
91,242.05/125,910.45 = 50,955.08/x - Step 3: Cross multiply
91,242.05x = 125,910.45 × 50,955.08 - Step 4: Simplify right side
91,242.05x = 6,415,776,423.03 - Step 5: Solve for x
x = 6,415,776,423.03/91,242.05 - Step 6: Final answer
x = 70,316.01
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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.